497889107335872 has 2240 divisors, whose sum is σ = 1822055502643200. Its totient is φ = 134111864291328.

The previous prime is 497889107335819. The next prime is 497889107335891. The reversal of 497889107335872 is 278533701988794.

It is a happy number.

497889107335872 is a `hidden beast` number, since 4 + 97 + 8 + 8 + 9 + 107 + 3 + 358 + 72 = 666.

It is a super-2 number, since 2×497889107335872² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a junction number, because it is equal to n+sod(n) for n = 497889107335791 and 497889107335800.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 1334823343878 + ... + 1334823344250.

Almost surely, 2^{497889107335872} is an apocalyptic number.

497889107335872 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497889107335872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (911027751321600).

497889107335872 is an abundant number, since it is smaller than the sum of its proper divisors (1324166395307328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

497889107335872 is a wasteful number, since it uses less digits than its factorization.

497889107335872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825 (or 792 counting only the distinct ones).

The product of its (nonzero) digits is 5120962560, while the sum is 81.

The spelling of 497889107335872 in words is "four hundred ninety-seven trillion, eight hundred eighty-nine billion, one hundred seven million, three hundred thirty-five thousand, eight hundred seventy-two".