79972803 has 12 divisors (see below), whose sum is σ = 117974688. Its totient is φ = 52180560.

The previous prime is 79972759. The next prime is 79972829. The reversal of 79972803 is 30827997.

It is not a de Polignac number, because 79972803 - 2¹³ = 79964611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79972003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94108 + ... + 94953.

It is an arithmetic number, because the mean of its divisors is an integer number (9831224).

Almost surely, 2^79972803 is an apocalyptic number.

79972803 is a deficient number, since it is larger than the sum of its proper divisors (38001885).

79972803 is a wasteful number, since it uses less digits than its factorization.

79972803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189114 (or 189111 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 79972803 is about 8942.7514222414. The cubic root of 79972803 is about 430.8381040052.

The spelling of 79972803 in words is "seventy-nine million, nine hundred seventy-two thousand, eight hundred three".