80401790 has 32 divisors (see below), whose sum is σ = 172592640. Its totient is φ = 26367264.

The previous prime is 80401781. The next prime is 80401801. The reversal of 80401790 is 9710408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23360 + ... + 26579.

It is an arithmetic number, because the mean of its divisors is an integer number (5393520).

Almost surely, 2^80401790 is an apocalyptic number.

80401790 is an abundant number, since it is smaller than the sum of its proper divisors (92190850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80401790 is a wasteful number, since it uses less digits than its factorization.

80401790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49976.

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

The square root of 80401790 is about 8966.7045228445. The cubic root of 80401790 is about 431.6070923153.

The spelling of 80401790 in words is "eighty million, four hundred one thousand, seven hundred ninety".