80898842269 has 32 divisors (see below), whose sum is σ = 97322144000. Its totient is φ = 67185961920.

The previous prime is 80898842249. The next prime is 80898842273. The reversal of 80898842269 is 96224889808.

It is a happy number.

It is not a de Polignac number, because 80898842269 - 2⁵ = 80898842237 is a prime.

It is a super-2 number, since 2×80898842269² (a number of 23 digits) 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 80898842269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80898842239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1372987 + ... + 1430695.

It is an arithmetic number, because the mean of its divisors is an integer number (3041317000).

Almost surely, 2^80898842269 is an apocalyptic number.

It is an amenable number.

80898842269 is a deficient number, since it is larger than the sum of its proper divisors (16423301731).

80898842269 is an equidigital number, since it uses as much as digits as its factorization.

80898842269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57858 (or 57844 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 64.

The spelling of 80898842269 in words is "eighty billion, eight hundred ninety-eight million, eight hundred forty-two thousand, two hundred sixty-nine".