80831601 has 20 divisors (see below), whose sum is σ = 124647424. Its totient is φ = 52147800.

The previous prime is 80831503. The next prime is 80831603. The reversal of 80831601 is 10613808.

It is not a de Polignac number, because 80831601 - 2⁹ = 80831089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80831603) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13585 + ... + 18606.

Almost surely, 2^80831601 is an apocalyptic number.

80831601 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

80831601 is a deficient number, since it is larger than the sum of its proper divisors (43815823).

80831601 is a wasteful number, since it uses less digits than its factorization.

80831601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32234 (or 32225 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 80831601 is about 8990.6396324177. The cubic root of 80831601 is about 432.3748193745.

The spelling of 80831601 in words is "eighty million, eight hundred thirty-one thousand, six hundred one".