80557298 has 4 divisors (see below), whose sum is σ = 120835950. Its totient is φ = 40278648.

The previous prime is 80557261. The next prime is 80557307. The reversal of 80557298 is 89275508.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 48260809 + 32296489 = 6947^2 + 5683^2 .

It is a super-2 number, since 2×80557298² = 12978956522121608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20139323 + ... + 20139326.

Almost surely, 2^80557298 is an apocalyptic number.

80557298 is a deficient number, since it is larger than the sum of its proper divisors (40278652).

80557298 is a wasteful number, since it uses less digits than its factorization.

80557298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40278651.

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 80557298 is about 8975.3717471757. The cubic root of 80557298 is about 431.8851753868.

The spelling of 80557298 in words is "eighty million, five hundred fifty-seven thousand, two hundred ninety-eight".