77533000752 has 40 divisors (see below), whose sum is σ = 200552793264. Its totient is φ = 25810887424.

The previous prime is 77533000691. The next prime is 77533000781. The reversal of 77533000752 is 25700033577.

It is a happy number.

It is a super-2 number, since 2×77533000752² (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 77533000752.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1007703 + ... + 1081910.

Almost surely, 2^77533000752 is an apocalyptic number.

It is an amenable number.

77533000752 is an abundant number, since it is smaller than the sum of its proper divisors (123019792512).

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

77533000752 is a wasteful number, since it uses less digits than its factorization.

77533000752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090397 (or 2090391 counting only the distinct ones).

The product of its (nonzero) digits is 154350, while the sum is 39.

The spelling of 77533000752 in words is "seventy-seven billion, five hundred thirty-three million, seven hundred fifty-two", and thus it is an aban number.