78995079 has 6 divisors (see below), whose sum is σ = 114104016. Its totient is φ = 52663380.

The previous prime is 78995053. The next prime is 78995089. The reversal of 78995079 is 97059987.

It is not a de Polignac number, because 78995079 - 2⁹ = 78994567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78995009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4388607 + ... + 4388624.

It is an arithmetic number, because the mean of its divisors is an integer number (19017336).

Almost surely, 2^78995079 is an apocalyptic number.

78995079 is a deficient number, since it is larger than the sum of its proper divisors (35108937).

78995079 is a wasteful number, since it uses less digits than its factorization.

78995079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8777237 (or 8777234 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 54.

The square root of 78995079 is about 8887.9175851265. The cubic root of 78995079 is about 429.0751331397.

The spelling of 78995079 in words is "seventy-eight million, nine hundred ninety-five thousand, seventy-nine".