77422375 has 16 divisors (see below), whose sum is σ = 97403904. Its totient is φ = 61437600.

The previous prime is 77422363. The next prime is 77422409. The reversal of 77422375 is 57322477.

It is not a de Polignac number, because 77422375 - 2⁹ = 77421863 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 13437 + ... + 18313.

It is an arithmetic number, because the mean of its divisors is an integer number (6087744).

Almost surely, 2^77422375 is an apocalyptic number.

77422375 is a deficient number, since it is larger than the sum of its proper divisors (19981529).

77422375 is a wasteful number, since it uses less digits than its factorization.

77422375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5019 (or 5009 counting only the distinct ones).

The product of its digits is 82320, while the sum is 37.

The square root of 77422375 is about 8798.9985225593. The cubic root of 77422375 is about 426.2085554084.

The spelling of 77422375 in words is "seventy-seven million, four hundred twenty-two thousand, three hundred seventy-five".