80744651 has 12 divisors (see below), whose sum is σ = 91239408. Its totient is φ = 71289504.

The previous prime is 80744633. The next prime is 80744681. The reversal of 80744651 is 15644708.

It is not a de Polignac number, because 80744651 - 2²² = 76550347 is a prime.

It is a super-2 number, since 2×80744651² = 13039397330223602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80744681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6500 + ... + 14273.

It is an arithmetic number, because the mean of its divisors is an integer number (7603284).

Almost surely, 2^80744651 is an apocalyptic number.

80744651 is a deficient number, since it is larger than the sum of its proper divisors (10494757).

80744651 is a wasteful number, since it uses less digits than its factorization.

80744651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20822 (or 20809 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 80744651 is about 8985.8027465553. The cubic root of 80744651 is about 432.2197295402.

The spelling of 80744651 in words is "eighty million, seven hundred forty-four thousand, six hundred fifty-one".