79623963 has 24 divisors (see below), whose sum is σ = 118951248. Its totient is φ = 51285312.

The previous prime is 79623959. The next prime is 79623991. The reversal of 79623963 is 36932697.

It is not a de Polignac number, because 79623963 - 2² = 79623959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79623913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51520 + ... + 53042.

It is an arithmetic number, because the mean of its divisors is an integer number (4956302).

Almost surely, 2^79623963 is an apocalyptic number.

79623963 is a deficient number, since it is larger than the sum of its proper divisors (39327285).

79623963 is a wasteful number, since it uses less digits than its factorization.

79623963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723 (or 1720 counting only the distinct ones).

The product of its digits is 367416, while the sum is 45.

The square root of 79623963 is about 8923.2260421890. The cubic root of 79623963 is about 430.2107548079.

The spelling of 79623963 in words is "seventy-nine million, six hundred twenty-three thousand, nine hundred sixty-three".