80438613 has 8 divisors (see below), whose sum is σ = 111914688. Its totient is φ = 51294144.

The previous prime is 80438551. The next prime is 80438689. The reversal of 80438613 is 31683408.

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

It is not a de Polignac number, because 80438613 - 2⁶ = 80438549 is a prime.

It is a super-2 number, since 2×80438613² = 12940740922727538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80438513) 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, 582820 + ... + 582957.

It is an arithmetic number, because the mean of its divisors is an integer number (13989336).

Almost surely, 2^80438613 is an apocalyptic number.

It is an amenable number.

80438613 is a deficient number, since it is larger than the sum of its proper divisors (31476075).

80438613 is a wasteful number, since it uses less digits than its factorization.

80438613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165803.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 80438613 is about 8968.7576062686. The cubic root of 80438613 is about 431.6729724502.

The spelling of 80438613 in words is "eighty million, four hundred thirty-eight thousand, six hundred thirteen".