77990222210024 has 32 divisors (see below), whose sum is σ = 148337742752640. Its totient is φ = 38433835070400.

The previous prime is 77990222209901. The next prime is 77990222210027. The reversal of 77990222210024 is 42001222209977.

It is not an unprimeable number, because it can be changed into a prime (77990222210027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19702199 + ... + 23327174.

It is an arithmetic number, because the mean of its divisors is an integer number (4635554461020).

Almost surely, 2^{77990222210024} is an apocalyptic number.

It is an amenable number.

77990222210024 is a deficient number, since it is larger than the sum of its proper divisors (70347520542616).

77990222210024 is a wasteful number, since it uses less digits than its factorization.

77990222210024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43032641 (or 43032637 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 47.

Subtracting from 77990222210024 its sum of digits (47), we obtain a palindrome (77990222209977).

The spelling of 77990222210024 in words is "seventy-seven trillion, nine hundred ninety billion, two hundred twenty-two million, two hundred ten thousand, twenty-four".