77673882 has 32 divisors (see below), whose sum is σ = 182508480. Its totient is φ = 21726720.

The previous prime is 77673877. The next prime is 77673889. The reversal of 77673882 is 28837677.

It is not an unprimeable number, because it can be changed into a prime (77673889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44407 + ... + 46122.

It is an arithmetic number, because the mean of its divisors is an integer number (5703390).

Almost surely, 2^77673882 is an apocalyptic number.

77673882 is an abundant number, since it is smaller than the sum of its proper divisors (104834598).

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

77673882 is a wasteful number, since it uses less digits than its factorization.

77673882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90558.

The product of its digits is 790272, while the sum is 48.

The square root of 77673882 is about 8813.2787315505. The cubic root of 77673882 is about 426.6695701571.

The spelling of 77673882 in words is "seventy-seven million, six hundred seventy-three thousand, eight hundred eighty-two".