79040877 has 4 divisors (see below), whose sum is σ = 105387840. Its totient is φ = 52693916.

The previous prime is 79040869. The next prime is 79040911. The reversal of 79040877 is 77804097.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 79040877 - 2³ = 79040869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79040807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13173477 + ... + 13173482.

It is an arithmetic number, because the mean of its divisors is an integer number (26346960).

Almost surely, 2^79040877 is an apocalyptic number.

It is an amenable number.

79040877 is a deficient number, since it is larger than the sum of its proper divisors (26346963).

79040877 is a wasteful number, since it uses less digits than its factorization.

79040877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26346962.

The product of its (nonzero) digits is 98784, while the sum is 42.

The square root of 79040877 is about 8890.4936308396. The cubic root of 79040877 is about 429.1580369815.

The spelling of 79040877 in words is "seventy-nine million, forty thousand, eight hundred seventy-seven".