79980037 has 4 divisors (see below), whose sum is σ = 80005696. Its totient is φ = 79954380.

The previous prime is 79980013. The next prime is 79980059. The reversal of 79980037 is 73008997.

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.

It is a cyclic number.

It is not a de Polignac number, because 79980037 - 2⁷ = 79979909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79979975 and 79980002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79980137) 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, 7383 + ... + 14644.

It is an arithmetic number, because the mean of its divisors is an integer number (20001424).

Almost surely, 2^79980037 is an apocalyptic number.

It is an amenable number.

79980037 is a deficient number, since it is larger than the sum of its proper divisors (25659).

79980037 is a wasteful number, since it uses less digits than its factorization.

79980037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25658.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 79980037 is about 8943.1558747458. The cubic root of 79980037 is about 430.8510942083.

The spelling of 79980037 in words is "seventy-nine million, nine hundred eighty thousand, thirty-seven".