76897032420 has 48 divisors (see below), whose sum is σ = 231874130880. Its totient is φ = 18928500096.

The previous prime is 76897032409. The next prime is 76897032559. The reversal of 76897032420 is 2423079867.

It is a self number, because there is not a number n which added to its sum of digits gives 76897032420.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49292190 + ... + 49293749.

It is an arithmetic number, because the mean of its divisors is an integer number (4830711060).

Almost surely, 2^76897032420 is an apocalyptic number.

It is an amenable number.

76897032420 is an abundant number, since it is smaller than the sum of its proper divisors (154977098460).

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

76897032420 is a wasteful number, since it uses less digits than its factorization.

76897032420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98585964 (or 98585962 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 76897032420 in words is "seventy-six billion, eight hundred ninety-seven million, thirty-two thousand, four hundred twenty".