80878379832 has 48 divisors (see below), whose sum is σ = 219060504000. Its totient is φ = 26957627136.

The previous prime is 80878379797. The next prime is 80878379837. The reversal of 80878379832 is 23897387808.

It is a self number, because there is not a number n which added to its sum of digits gives 80878379832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80878379837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1403769 + ... + 1460247.

It is an arithmetic number, because the mean of its divisors is an integer number (4563760500).

Almost surely, 2^80878379832 is an apocalyptic number.

It is an amenable number.

80878379832 is an abundant number, since it is smaller than the sum of its proper divisors (138182124168).

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

80878379832 is a wasteful number, since it uses less digits than its factorization.

80878379832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76380 (or 76373 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 63.

The spelling of 80878379832 in words is "eighty billion, eight hundred seventy-eight million, three hundred seventy-nine thousand, eight hundred thirty-two".