79620053 has 4 divisors (see below), whose sum is σ = 80808480. Its totient is φ = 78431628.

The previous prime is 79620029. The next prime is 79620077. The reversal of 79620053 is 35002697.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35002697 = 73 ⋅479489.

It is an interprime number because it is at equal distance from previous prime (79620029) and next prime (79620077).

It is a cyclic number.

It is not a de Polignac number, because 79620053 - 2¹⁸ = 79357909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79620253) 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, 594113 + ... + 594246.

It is an arithmetic number, because the mean of its divisors is an integer number (20202120).

Almost surely, 2^79620053 is an apocalyptic number.

It is an amenable number.

79620053 is a deficient number, since it is larger than the sum of its proper divisors (1188427).

79620053 is a wasteful number, since it uses less digits than its factorization.

79620053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188426.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 79620053 is about 8923.0069483331. The cubic root of 79620053 is about 430.2037127420.

The spelling of 79620053 in words is "seventy-nine million, six hundred twenty thousand, fifty-three".