77032342828 has 48 divisors (see below), whose sum is σ = 165092788224. Its totient is φ = 30697493760.

The previous prime is 77032342817. The next prime is 77032342867. The reversal of 77032342828 is 82824323077.

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, 935388 + ... + 1014403.

It is an arithmetic number, because the mean of its divisors is an integer number (3439433088).

Almost surely, 2^77032342828 is an apocalyptic number.

It is an amenable number.

77032342828 is an abundant number, since it is smaller than the sum of its proper divisors (88060445396).

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

77032342828 is a wasteful number, since it uses less digits than its factorization.

77032342828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949902 (or 1949900 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 46.

The spelling of 77032342828 in words is "seventy-seven billion, thirty-two million, three hundred forty-two thousand, eight hundred twenty-eight".