76277430157 has 2 divisors, whose sum is σ = 76277430158. Its totient is φ = 76277430156.

The previous prime is 76277430139. The next prime is 76277430167. The reversal of 76277430157 is 75103477267.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60210853641 + 16066576516 = 245379^2 + 126754^2 .

It is a cyclic number.

It is not a de Polignac number, because 76277430157 - 2¹¹ = 76277428109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76277430157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76277430107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38138715078 + 38138715079.

It is an arithmetic number, because the mean of its divisors is an integer number (38138715079).

Almost surely, 2^76277430157 is an apocalyptic number.

It is an amenable number.

76277430157 is a deficient number, since it is larger than the sum of its proper divisors (1).

76277430157 is an equidigital number, since it uses as much as digits as its factorization.

76277430157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728720, while the sum is 49.

The spelling of 76277430157 in words is "seventy-six billion, two hundred seventy-seven million, four hundred thirty thousand, one hundred fifty-seven".