77893653 has 8 divisors (see below), whose sum is σ = 103906528. Its totient is φ = 51904944.

The previous prime is 77893639. The next prime is 77893657. The reversal of 77893653 is 35639877.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 77893653 - 2⁴ = 77893637 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 (77893657) 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, 3750 + ... + 13032.

It is an arithmetic number, because the mean of its divisors is an integer number (12988316).

Almost surely, 2^77893653 is an apocalyptic number.

It is an amenable number.

77893653 is a deficient number, since it is larger than the sum of its proper divisors (26012875).

77893653 is a wasteful number, since it uses less digits than its factorization.

77893653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12083.

The product of its digits is 952560, while the sum is 48.

The square root of 77893653 is about 8825.7380994453. The cubic root of 77893653 is about 427.0715984709.

The spelling of 77893653 in words is "seventy-seven million, eight hundred ninety-three thousand, six hundred fifty-three".