77914422 has 12 divisors (see below), whose sum is σ = 168814620. Its totient is φ = 25971468.

The previous prime is 77914411. The next prime is 77914423. The reversal of 77914422 is 22441977.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77914423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2164272 + ... + 2164307.

It is an arithmetic number, because the mean of its divisors is an integer number (14067885).

Almost surely, 2^77914422 is an apocalyptic number.

77914422 is an abundant number, since it is smaller than the sum of its proper divisors (90900198).

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

77914422 is a wasteful number, since it uses less digits than its factorization.

77914422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4328587 (or 4328584 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 77914422 is about 8826.9146364967. The cubic root of 77914422 is about 427.1095521914.

The spelling of 77914422 in words is "seventy-seven million, nine hundred fourteen thousand, four hundred twenty-two".