76552047728 has 20 divisors (see below), whose sum is σ = 159728792328. Its totient is φ = 35331714240.

The previous prime is 76552047667. The next prime is 76552047763. The reversal of 76552047728 is 82774025567.

It is a super-2 number, since 2×76552047728² (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 76552047728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184019138 + ... + 184019553.

Almost surely, 2^76552047728 is an apocalyptic number.

It is an amenable number.

76552047728 is an abundant number, since it is smaller than the sum of its proper divisors (83176744600).

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

76552047728 is a wasteful number, since it uses less digits than its factorization.

76552047728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368038712 (or 368038706 counting only the distinct ones).

The product of its (nonzero) digits is 6585600, while the sum is 53.

The spelling of 76552047728 in words is "seventy-six billion, five hundred fifty-two million, forty-seven thousand, seven hundred twenty-eight".