80900497 has 4 divisors (see below), whose sum is σ = 80931636. Its totient is φ = 80869360.

The previous prime is 80900473. The next prime is 80900507. The reversal of 80900497 is 79400908.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 37748736 + 43151761 = 6144^2 + 6569^2 .

It is a cyclic number.

It is not a de Polignac number, because 80900497 - 2¹⁵ = 80867729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80900437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11278 + ... + 16999.

It is an arithmetic number, because the mean of its divisors is an integer number (20232909).

Almost surely, 2^80900497 is an apocalyptic number.

It is an amenable number.

80900497 is a deficient number, since it is larger than the sum of its proper divisors (31139).

80900497 is a wasteful number, since it uses less digits than its factorization.

80900497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31138.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 80900497 is about 8994.4703568359. The cubic root of 80900497 is about 432.4976279287.

The spelling of 80900497 in words is "eighty million, nine hundred thousand, four hundred ninety-seven".