79985363 has 4 divisors (see below), whose sum is σ = 82565568. Its totient is φ = 77405160.

The previous prime is 79985359. The next prime is 79985419. The reversal of 79985363 is 36358997.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36358997 = 1187 ⋅30631.

It is a cyclic number.

It is not a de Polignac number, because 79985363 - 2² = 79985359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79985303) 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, 1290056 + ... + 1290117.

It is an arithmetic number, because the mean of its divisors is an integer number (20641392).

Almost surely, 2^79985363 is an apocalyptic number.

79985363 is a deficient number, since it is larger than the sum of its proper divisors (2580205).

79985363 is a wasteful number, since it uses less digits than its factorization.

79985363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580204.

The product of its digits is 1224720, while the sum is 50.

The square root of 79985363 is about 8943.4536393946. The cubic root of 79985363 is about 430.8606576864.

The spelling of 79985363 in words is "seventy-nine million, nine hundred eighty-five thousand, three hundred sixty-three".