80598621 has 4 divisors (see below), whose sum is σ = 107464832. Its totient is φ = 53732412.

The previous prime is 80598613. The next prime is 80598631. The reversal of 80598621 is 12689508.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 80598621 - 2³ = 80598613 is a prime.

It is a super-2 number, since 2×80598621² = 12992275414203282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80598621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80598631) 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, 13433101 + ... + 13433106.

It is an arithmetic number, because the mean of its divisors is an integer number (26866208).

Almost surely, 2^80598621 is an apocalyptic number.

It is an amenable number.

80598621 is a deficient number, since it is larger than the sum of its proper divisors (26866211).

80598621 is a wasteful number, since it uses less digits than its factorization.

80598621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26866210.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 80598621 is about 8977.6734736790. The cubic root of 80598621 is about 431.9590099568.

The spelling of 80598621 in words is "eighty million, five hundred ninety-eight thousand, six hundred twenty-one".