77732428796 has 24 divisors (see below), whose sum is σ = 148406326320. Its totient is φ = 35331004800.

The previous prime is 77732428783. The next prime is 77732428801. The reversal of 77732428796 is 69782423777.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 1059626 + ... + 1130606.

It is an arithmetic number, because the mean of its divisors is an integer number (6183596930).

Almost surely, 2^77732428796 is an apocalyptic number.

It is an amenable number.

77732428796 is a deficient number, since it is larger than the sum of its proper divisors (70673897524).

77732428796 is a wasteful number, since it uses less digits than its factorization.

77732428796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95885 (or 95883 counting only the distinct ones).

The product of its digits is 49787136, while the sum is 62.

The spelling of 77732428796 in words is "seventy-seven billion, seven hundred thirty-two million, four hundred twenty-eight thousand, seven hundred ninety-six".