80934487920 has 240 divisors, whose sum is σ = 319323749472. Its totient is φ = 18111191040.

The previous prime is 80934487903. The next prime is 80934487939. The reversal of 80934487920 is 2978443908.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-3 number, since 3×80934487920³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 290079 + ... + 495998.

Almost surely, 2^80934487920 is an apocalyptic number.

80934487920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80934487920 is an abundant number, since it is smaller than the sum of its proper divisors (238389261552).

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

80934487920 is a wasteful number, since it uses less digits than its factorization.

80934487920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786120 (or 786111 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 80934487920 in words is "eighty billion, nine hundred thirty-four million, four hundred eighty-seven thousand, nine hundred twenty".