80354666880 has 96 divisors (see below), whose sum is σ = 277474728960. Its totient is φ = 21427909632.

The previous prime is 80354666851. The next prime is 80354666897. The reversal of 80354666880 is 8866645308.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-4 number, since 4×80354666880⁴ (a number of 45 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6969472 + ... + 6980991.

It is an arithmetic number, because the mean of its divisors is an integer number (2890361760).

Almost surely, 2^80354666880 is an apocalyptic number.

80354666880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80354666880 is an abundant number, since it is smaller than the sum of its proper divisors (197120062080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80354666880 is a wasteful number, since it uses less digits than its factorization.

80354666880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13950488 (or 13950473 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 80354666880 in words is "eighty billion, three hundred fifty-four million, six hundred sixty-six thousand, eight hundred eighty".