77964093 has 16 divisors (see below), whose sum is σ = 119486400. Its totient is φ = 50183280.

The previous prime is 77964067. The next prime is 77964119. The reversal of 77964093 is 39046977.

It is an interprime number because it is at equal distance from previous prime (77964067) and next prime (77964119).

It is not a de Polignac number, because 77964093 - 2²¹ = 75866941 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77964793) 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, 49003 + ... + 50568.

It is an arithmetic number, because the mean of its divisors is an integer number (7467900).

Almost surely, 2^77964093 is an apocalyptic number.

It is an amenable number.

77964093 is a deficient number, since it is larger than the sum of its proper divisors (41522307).

77964093 is a wasteful number, since it uses less digits than its factorization.

77964093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99609 (or 99603 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 77964093 is about 8829.7277987490. The cubic root of 77964093 is about 427.2002947069.

The spelling of 77964093 in words is "seventy-seven million, nine hundred sixty-four thousand, ninety-three".