80876619 has 12 divisors (see below), whose sum is σ = 116965576. Its totient is φ = 53851392.

The previous prime is 80876567. The next prime is 80876623. The reversal of 80876619 is 91667808.

It is a happy number.

It is not a de Polignac number, because 80876619 - 2⁸ = 80876363 is a prime.

It is a super-2 number, since 2×80876619² = 13082055001742322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80876629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2859 + ... + 13035.

Almost surely, 2^80876619 is an apocalyptic number.

80876619 is a deficient number, since it is larger than the sum of its proper divisors (36088957).

80876619 is a wasteful number, since it uses less digits than its factorization.

80876619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11066 (or 11063 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 80876619 is about 8993.1428877784. The cubic root of 80876619 is about 432.4550727943.

It can be divided in two parts, 8087 and 6619, that added together give a triangular number (14706 = T₁₇₁).

The spelling of 80876619 in words is "eighty million, eight hundred seventy-six thousand, six hundred nineteen".