747904798368 has 864 divisors, whose sum is σ = 2890443301200. Its totient is φ = 181087764480.

The previous prime is 747904798343. The next prime is 747904798411. The reversal of 747904798368 is 863897409747.

747904798368 is a `hidden beast` number, since 7 + 4 + 7 + 90 + 479 + 8 + 3 + 68 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 99383823504 + 648520974864 = 315252^2 + 805308^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 747904798296 and 747904798305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 127865908 + ... + 127871756.

Almost surely, 2^747904798368 is an apocalyptic number.

747904798368 is a gapful number since it is divisible by the number (78) 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 747904798368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1445221650600).

747904798368 is an abundant number, since it is smaller than the sum of its proper divisors (2142538502832).

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

747904798368 is a wasteful number, since it uses less digits than its factorization.

747904798368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5950 (or 5932 counting only the distinct ones).

The product of its (nonzero) digits is 512096256, while the sum is 72.

The spelling of 747904798368 in words is "seven hundred forty-seven billion, nine hundred four million, seven hundred ninety-eight thousand, three hundred sixty-eight".