77675493 has 16 divisors (see below), whose sum is σ = 119515136. Its totient is φ = 43953840.

The previous prime is 77675489. The next prime is 77675497. The reversal of 77675493 is 39457677.

It is an interprime number because it is at equal distance from previous prime (77675489) and next prime (77675497).

It is not a de Polignac number, because 77675493 - 2² = 77675489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77675497) 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, 15793 + ... + 20118.

It is an arithmetic number, because the mean of its divisors is an integer number (7469696).

Almost surely, 2^77675493 is an apocalyptic number.

It is an amenable number.

77675493 is a deficient number, since it is larger than the sum of its proper divisors (41839643).

77675493 is a wasteful number, since it uses less digits than its factorization.

77675493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36024.

The product of its digits is 1111320, while the sum is 48.

The square root of 77675493 is about 8813.3701272555. The cubic root of 77675493 is about 426.6725199257.

The spelling of 77675493 in words is "seventy-seven million, six hundred seventy-five thousand, four hundred ninety-three".