80634763408 has 40 divisors (see below), whose sum is σ = 163264514688. Its totient is φ = 38541885312.

The previous prime is 80634763399. The next prime is 80634763421. The reversal of 80634763408 is 80436743608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1214491 + ... + 1279162.

Almost surely, 2^80634763408 is an apocalyptic number.

It is an amenable number.

80634763408 is an abundant number, since it is smaller than the sum of its proper divisors (82629751280).

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

80634763408 is a wasteful number, since it uses less digits than its factorization.

80634763408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493751 (or 2493745 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 80634763408 in words is "eighty billion, six hundred thirty-four million, seven hundred sixty-three thousand, four hundred eight".