80490495 has 32 divisors (see below), whose sum is σ = 138039552. Its totient is φ = 39905792.

The previous prime is 80490481. The next prime is 80490511. The reversal of 80490495 is 59409408.

It is a cyclic number.

It is not a de Polignac number, because 80490495 - 2⁵ = 80490463 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19264 + ... + 23066.

It is an arithmetic number, because the mean of its divisors is an integer number (4313736).

Almost surely, 2^80490495 is an apocalyptic number.

80490495 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

80490495 is a deficient number, since it is larger than the sum of its proper divisors (57549057).

80490495 is a wasteful number, since it uses less digits than its factorization.

80490495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3911.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 80490495 is about 8971.6495138854. The cubic root of 80490495 is about 431.7657605735.

The spelling of 80490495 in words is "eighty million, four hundred ninety thousand, four hundred ninety-five".