77020832888 has 16 divisors (see below), whose sum is σ = 144427300080. Its totient is φ = 38506886208.

The previous prime is 77020832887. The next prime is 77020832897. The reversal of 77020832888 is 88823802077.

It is a super-2 number, since 2×77020832888² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77020832887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347381 + ... + 524132.

It is an arithmetic number, because the mean of its divisors is an integer number (9026706255).

Almost surely, 2^77020832888 is an apocalyptic number.

It is an amenable number.

77020832888 is a deficient number, since it is larger than the sum of its proper divisors (67406467192).

77020832888 is a wasteful number, since it uses less digits than its factorization.

77020832888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882566 (or 882562 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 53.

The spelling of 77020832888 in words is "seventy-seven billion, twenty million, eight hundred thirty-two thousand, eight hundred eighty-eight".