80401792 has 16 divisors (see below), whose sum is σ = 160175700. Its totient is φ = 40200832.

The previous prime is 80401781. The next prime is 80401801. The reversal of 80401792 is 29710408.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×80401792² = 12928896313622528, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 313942 + ... + 314197.

Almost surely, 2^80401792 is an apocalyptic number.

It is an amenable number.

80401792 is a deficient number, since it is larger than the sum of its proper divisors (79773908).

80401792 is an equidigital number, since it uses as much as digits as its factorization.

80401792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628153 (or 628141 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 80401792 is about 8966.7046343682. The cubic root of 80401792 is about 431.6070958941.

The spelling of 80401792 in words is "eighty million, four hundred one thousand, seven hundred ninety-two".