80619499 has 8 divisors (see below), whose sum is σ = 83477888. Its totient is φ = 77777280.

The previous prime is 80619481. The next prime is 80619533. The reversal of 80619499 is 99491608.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80619499 - 2⁵ = 80619467 is a prime.

It is a super-2 number, since 2×80619499² = 12999007238022002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80619419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6589 + ... + 14305.

It is an arithmetic number, because the mean of its divisors is an integer number (10434736).

Almost surely, 2^80619499 is an apocalyptic number.

80619499 is a deficient number, since it is larger than the sum of its proper divisors (2858389).

80619499 is a wasteful number, since it uses less digits than its factorization.

80619499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8085.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 80619499 is about 8978.8361717987. The cubic root of 80619499 is about 431.9963044808.

It can be divided in two parts, 80619 and 499, that added together give a palindrome (81118).

The spelling of 80619499 in words is "eighty million, six hundred nineteen thousand, four hundred ninety-nine".