79603597687 has 2 divisors, whose sum is σ = 79603597688. Its totient is φ = 79603597686.

The previous prime is 79603597643. The next prime is 79603597757. The reversal of 79603597687 is 78679530697.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79603597687 - 2⁷ = 79603597559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79603597187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39801798843 + 39801798844.

It is an arithmetic number, because the mean of its divisors is an integer number (39801798844).

Almost surely, 2^79603597687 is an apocalyptic number.

79603597687 is a deficient number, since it is larger than the sum of its proper divisors (1).

79603597687 is an equidigital number, since it uses as much as digits as its factorization.

79603597687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120022560, while the sum is 67.

The spelling of 79603597687 in words is "seventy-nine billion, six hundred three million, five hundred ninety-seven thousand, six hundred eighty-seven".