79969043 has 32 divisors (see below), whose sum is σ = 107274240. Its totient is φ = 57728160.

The previous prime is 79969039. The next prime is 79969111. The reversal of 79969043 is 34096997.

It is not a de Polignac number, because 79969043 - 2² = 79969039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79969843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68180 + ... + 69342.

It is an arithmetic number, because the mean of its divisors is an integer number (3352320).

Almost surely, 2^79969043 is an apocalyptic number.

79969043 is a deficient number, since it is larger than the sum of its proper divisors (27305197).

79969043 is a wasteful number, since it uses less digits than its factorization.

79969043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 79969043 is about 8942.5411936429. The cubic root of 79969043 is about 430.8313518069.

The spelling of 79969043 in words is "seventy-nine million, nine hundred sixty-nine thousand, forty-three".