79620063 has 4 divisors (see below), whose sum is σ = 106160088. Its totient is φ = 53080040.

The previous prime is 79620029. The next prime is 79620077. The reversal of 79620063 is 36002697.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36002697 = 3 ⋅12000899.

It is a cyclic number.

It is not a de Polignac number, because 79620063 - 2⁸ = 79619807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79620763) 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, 13270008 + ... + 13270013.

It is an arithmetic number, because the mean of its divisors is an integer number (26540022).

Almost surely, 2^79620063 is an apocalyptic number.

79620063 is a deficient number, since it is larger than the sum of its proper divisors (26540025).

79620063 is a wasteful number, since it uses less digits than its factorization.

79620063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26540024.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 79620063 is about 8923.0075086823. The cubic root of 79620063 is about 430.2037307527.

The spelling of 79620063 in words is "seventy-nine million, six hundred twenty thousand, sixty-three".