75675825816 has 72 divisors (see below), whose sum is σ = 190796695740. Its totient is φ = 25012792320.

The previous prime is 75675825769. The next prime is 75675825847. The reversal of 75675825816 is 61852857657.

It is a super-2 number, since 2×75675825816² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75675825816.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 314007456 + ... + 314007696.

Almost surely, 2^75675825816 is an apocalyptic number.

It is an amenable number.

75675825816 is an abundant number, since it is smaller than the sum of its proper divisors (115120869924).

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

75675825816 is an equidigital number, since it uses as much as digits as its factorization.

75675825816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957 (or 479 counting only the distinct ones).

The product of its digits is 28224000, while the sum is 60.

The spelling of 75675825816 in words is "seventy-five billion, six hundred seventy-five million, eight hundred twenty-five thousand, eight hundred sixteen".