76635157 has 2 divisors, whose sum is σ = 76635158. Its totient is φ = 76635156.

The previous prime is 76635137. The next prime is 76635161. The reversal of 76635157 is 75153667.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69906321 + 6728836 = 8361^2 + 2594^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76635157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76635107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38317578 + 38317579.

It is an arithmetic number, because the mean of its divisors is an integer number (38317579).

Almost surely, 2^76635157 is an apocalyptic number.

It is an amenable number.

76635157 is a deficient number, since it is larger than the sum of its proper divisors (1).

76635157 is an equidigital number, since it uses as much as digits as its factorization.

76635157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 132300, while the sum is 40.

The square root of 76635157 is about 8754.1508440282. The cubic root of 76635157 is about 424.7590920734.

The spelling of 76635157 in words is "seventy-six million, six hundred thirty-five thousand, one hundred fifty-seven".