77045022 has 24 divisors (see below), whose sum is σ = 168587640. Its totient is φ = 25426800.

The previous prime is 77044997. The next prime is 77045041. The reversal of 77045022 is 22054077.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19372 + ... + 23007.

It is an arithmetic number, because the mean of its divisors is an integer number (7024485).

Almost surely, 2^77045022 is an apocalyptic number.

77045022 is an abundant number, since it is smaller than the sum of its proper divisors (91542618).

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

77045022 is a wasteful number, since it uses less digits than its factorization.

77045022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42488 (or 42485 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 77045022 is about 8777.5293790451. The cubic root of 77045022 is about 425.5149872540.

Adding to 77045022 its reverse (22054077), we get a palindrome (99099099).

The spelling of 77045022 in words is "seventy-seven million, forty-five thousand, twenty-two".