76997400523 has 2 divisors, whose sum is σ = 76997400524. Its totient is φ = 76997400522.

The previous prime is 76997400463. The next prime is 76997400577. The reversal of 76997400523 is 32500479967.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76997400523 is a prime.

It is not a weakly prime, because it can be changed into another prime (76997400583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38498700261 + 38498700262.

It is an arithmetic number, because the mean of its divisors is an integer number (38498700262).

Almost surely, 2^76997400523 is an apocalyptic number.

76997400523 is a deficient number, since it is larger than the sum of its proper divisors (1).

76997400523 is an equidigital number, since it uses as much as digits as its factorization.

76997400523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2857680, while the sum is 52.

The spelling of 76997400523 in words is "seventy-six billion, nine hundred ninety-seven million, four hundred thousand, five hundred twenty-three".