76857334153 has 2 divisors, whose sum is σ = 76857334154. Its totient is φ = 76857334152.

The previous prime is 76857334051. The next prime is 76857334219. The reversal of 76857334153 is 35143375867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57728231289 + 19129102864 = 240267^2 + 138308^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76857334153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76857334153.

It is not a weakly prime, because it can be changed into another prime (76857335153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38428667076 + 38428667077.

It is an arithmetic number, because the mean of its divisors is an integer number (38428667077).

Almost surely, 2^76857334153 is an apocalyptic number.

It is an amenable number.

76857334153 is a deficient number, since it is larger than the sum of its proper divisors (1).

76857334153 is an equidigital number, since it uses as much as digits as its factorization.

76857334153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6350400, while the sum is 52.

The spelling of 76857334153 in words is "seventy-six billion, eight hundred fifty-seven million, three hundred thirty-four thousand, one hundred fifty-three".