80371511478 has 12 divisors (see below), whose sum is σ = 174138274908. Its totient is φ = 26790503820.

The previous prime is 80371511477. The next prime is 80371511483. The reversal of 80371511478 is 87411517308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80371511477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2232541968 + ... + 2232542003.

It is an arithmetic number, because the mean of its divisors is an integer number (14511522909).

Almost surely, 2^80371511478 is an apocalyptic number.

80371511478 is an abundant number, since it is smaller than the sum of its proper divisors (93766763430).

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

80371511478 is a wasteful number, since it uses less digits than its factorization.

80371511478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4465083979 (or 4465083976 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 45.

The spelling of 80371511478 in words is "eighty billion, three hundred seventy-one million, five hundred eleven thousand, four hundred seventy-eight".