78526757356 has 6 divisors (see below), whose sum is σ = 137421825380. Its totient is φ = 39263378676.

The previous prime is 78526757329. The next prime is 78526757359. The reversal of 78526757356 is 65375762587.

It is a super-2 number, since 2×78526757356² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78526757294 and 78526757303.

It is not an unprimeable number, because it can be changed into a prime (78526757359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9815844666 + ... + 9815844673.

Almost surely, 2^78526757356 is an apocalyptic number.

It is an amenable number.

78526757356 is a deficient number, since it is larger than the sum of its proper divisors (58895068024).

78526757356 is a wasteful number, since it uses less digits than its factorization.

78526757356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19631689343 (or 19631689341 counting only the distinct ones).

The product of its digits is 74088000, while the sum is 61.

The spelling of 78526757356 in words is "seventy-eight billion, five hundred twenty-six million, seven hundred fifty-seven thousand, three hundred fifty-six".