77882032970 has 32 divisors (see below), whose sum is σ = 164544594048. Its totient is φ = 25980723648.

The previous prime is 77882032931. The next prime is 77882032999. The reversal of 77882032970 is 7923028877.

It is a super-2 number, since 2×77882032970² (a number of 23 digits) contains 22 as substring.

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, 15032552 + ... + 15037731.

It is an arithmetic number, because the mean of its divisors is an integer number (5142018564).

Almost surely, 2^77882032970 is an apocalyptic number.

77882032970 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

77882032970 is an abundant number, since it is smaller than the sum of its proper divisors (86662561078).

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

77882032970 is a wasteful number, since it uses less digits than its factorization.

77882032970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30070334.

The product of its (nonzero) digits is 2370816, while the sum is 53.

The spelling of 77882032970 in words is "seventy-seven billion, eight hundred eighty-two million, thirty-two thousand, nine hundred seventy".