79045887 has 4 divisors (see below), whose sum is σ = 105394520. Its totient is φ = 52697256.

The previous prime is 79045867. The next prime is 79045907. The reversal of 79045887 is 78854097.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (79045867) and next prime (79045907).

It is a de Polignac number, because none of the positive numbers 2^k-79045887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79045817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13174312 + ... + 13174317.

It is an arithmetic number, because the mean of its divisors is an integer number (26348630).

Almost surely, 2^79045887 is an apocalyptic number.

79045887 is a deficient number, since it is larger than the sum of its proper divisors (26348633).

79045887 is a wasteful number, since it uses less digits than its factorization.

79045887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26348632.

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 79045887 is about 8890.7753880075. The cubic root of 79045887 is about 429.1671041732.

The spelling of 79045887 in words is "seventy-nine million, forty-five thousand, eight hundred eighty-seven".