79761963 has 4 divisors (see below), whose sum is σ = 106349288. Its totient is φ = 53174640.

The previous prime is 79761937. The next prime is 79761967. The reversal of 79761963 is 36916797.

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

It is not a de Polignac number, because 79761963 - 2¹⁰ = 79760939 is a prime.

It is a super-2 number, since 2×79761963² = 12723941483226738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79761967) 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, 13293658 + ... + 13293663.

It is an arithmetic number, because the mean of its divisors is an integer number (26587322).

Almost surely, 2^79761963 is an apocalyptic number.

79761963 is a deficient number, since it is larger than the sum of its proper divisors (26587325).

79761963 is a wasteful number, since it uses less digits than its factorization.

79761963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26587324.

The product of its digits is 428652, while the sum is 48.

The square root of 79761963 is about 8930.9553240401. The cubic root of 79761963 is about 430.4591507952.

The spelling of 79761963 in words is "seventy-nine million, seven hundred sixty-one thousand, nine hundred sixty-three".