80212790 has 16 divisors (see below), whose sum is σ = 165009312. Its totient is φ = 27501504.

The previous prime is 80212787. The next prime is 80212807. The reversal of 80212790 is 9721208.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572879 + ... + 573018.

It is an arithmetic number, because the mean of its divisors is an integer number (10313082).

Almost surely, 2^80212790 is an apocalyptic number.

80212790 is an abundant number, since it is smaller than the sum of its proper divisors (84796522).

80212790 is a wasteful number, since it uses less digits than its factorization.

80212790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145911.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 80212790 is about 8956.1593331070. The cubic root of 80212790 is about 431.2686349155.

Adding to 80212790 its reverse (9721208), we get a palindrome (89933998).

The spelling of 80212790 in words is "eighty million, two hundred twelve thousand, seven hundred ninety".