79884000787 has 2 divisors, whose sum is σ = 79884000788. Its totient is φ = 79884000786.

The previous prime is 79884000613. The next prime is 79884000799. The reversal of 79884000787 is 78700048897.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79884000787 - 2³¹ = 77736517139 is a prime.

It is not a weakly prime, because it can be changed into another prime (79894000787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39942000393 + 39942000394.

It is an arithmetic number, because the mean of its divisors is an integer number (39942000394).

Almost surely, 2^79884000787 is an apocalyptic number.

79884000787 is a deficient number, since it is larger than the sum of its proper divisors (1).

79884000787 is an equidigital number, since it uses as much as digits as its factorization.

79884000787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6322176, while the sum is 58.

The spelling of 79884000787 in words is "seventy-nine billion, eight hundred eighty-four million, seven hundred eighty-seven", and thus it is an aban number.