498720870 has 48 divisors (see below), whose sum is σ = 1338509952. Its totient is φ = 128701440.

The previous prime is 498720869. The next prime is 498720877. The reversal of 498720870 is 78027894.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498720877) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86587 + ... + 92166.

It is an arithmetic number, because the mean of its divisors is an integer number (27885624).

Almost surely, 2^498720870 is an apocalyptic number.

498720870 is an abundant number, since it is smaller than the sum of its proper divisors (839789082).

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

498720870 is a wasteful number, since it uses less digits than its factorization.

498720870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178797 (or 178794 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 498720870 is about 22332.0592422642. The cubic root of 498720870 is about 793.0231172235.

The spelling of 498720870 in words is "four hundred ninety-eight million, seven hundred twenty thousand, eight hundred seventy".