80827957140 has 96 divisors (see below), whose sum is σ = 262509993984. Its totient is φ = 18199209600.

The previous prime is 80827957129. The next prime is 80827957141. The reversal of 80827957140 is 4175972808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80827957141) 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, 1408036 + ... + 1464315.

It is an arithmetic number, because the mean of its divisors is an integer number (2734479104).

Almost surely, 2^80827957140 is an apocalyptic number.

It is an amenable number.

80827957140 is an abundant number, since it is smaller than the sum of its proper divisors (181682036844).

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

80827957140 is a wasteful number, since it uses less digits than its factorization.

80827957140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872437 (or 2872435 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 51.

The spelling of 80827957140 in words is "eighty billion, eight hundred twenty-seven million, nine hundred fifty-seven thousand, one hundred forty".