77375013 has 8 divisors (see below), whose sum is σ = 107652288. Its totient is φ = 49340544.

The previous prime is 77375009. The next prime is 77375027. The reversal of 77375013 is 31057377.

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

It is not a de Polignac number, because 77375013 - 2² = 77375009 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77375003) 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, 560620 + ... + 560757.

It is an arithmetic number, because the mean of its divisors is an integer number (13456536).

Almost surely, 2^77375013 is an apocalyptic number.

It is an amenable number.

77375013 is a deficient number, since it is larger than the sum of its proper divisors (30277275).

77375013 is a wasteful number, since it uses less digits than its factorization.

77375013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121403.

The product of its (nonzero) digits is 15435, while the sum is 33.

The square root of 77375013 is about 8796.3067818261. The cubic root of 77375013 is about 426.1216287407.

The spelling of 77375013 in words is "seventy-seven million, three hundred seventy-five thousand, thirteen".