80497431 has 24 divisors (see below), whose sum is σ = 140703264. Its totient is φ = 43292160.

The previous prime is 80497429. The next prime is 80497441. The reversal of 80497431 is 13479408.

It is a happy number.

It is not a de Polignac number, because 80497431 - 2¹ = 80497429 is a prime.

It is a super-2 number, since 2×80497431² = 12959672795199522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80497411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36510 + ... + 38651.

It is an arithmetic number, because the mean of its divisors is an integer number (5862636).

Almost surely, 2^80497431 is an apocalyptic number.

80497431 is a deficient number, since it is larger than the sum of its proper divisors (60205833).

80497431 is a wasteful number, since it uses less digits than its factorization.

80497431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75191 (or 75188 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 80497431 is about 8972.0360565481. The cubic root of 80497431 is about 431.7781622088.

The spelling of 80497431 in words is "eighty million, four hundred ninety-seven thousand, four hundred thirty-one".