76956157 has 4 divisors (see below), whose sum is σ = 77219100. Its totient is φ = 76693216.

The previous prime is 76956149. The next prime is 76956163. The reversal of 76956157 is 75165967.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75165967 = 6299 ⋅11933.

It can be written as a sum of positive squares in 2 ways, for example, as 65626201 + 11329956 = 8101^2 + 3366^2 .

It is a cyclic number.

It is not a de Polignac number, because 76956157 - 2³ = 76956149 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 (76956107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131032 + ... + 131617.

It is an arithmetic number, because the mean of its divisors is an integer number (19304775).

Almost surely, 2^76956157 is an apocalyptic number.

It is an amenable number.

76956157 is a deficient number, since it is larger than the sum of its proper divisors (262943).

76956157 is a wasteful number, since it uses less digits than its factorization.

76956157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262942.

The product of its digits is 396900, while the sum is 46.

The square root of 76956157 is about 8772.4658449036. The cubic root of 76956157 is about 425.3513256448.

The spelling of 76956157 in words is "seventy-six million, nine hundred fifty-six thousand, one hundred fifty-seven".