80010635856 has 40 divisors (see below), whose sum is σ = 206704534944. Its totient is φ = 26668871040.

The previous prime is 80010635807. The next prime is 80010635857. The reversal of 80010635856 is 65853601008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80010635857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1532746 + ... + 1584086.

Almost surely, 2^80010635856 is an apocalyptic number.

It is an amenable number.

80010635856 is an abundant number, since it is smaller than the sum of its proper divisors (126693899088).

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

80010635856 is a wasteful number, since it uses less digits than its factorization.

80010635856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83819 (or 83813 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 80010635856 in words is "eighty billion, ten million, six hundred thirty-five thousand, eight hundred fifty-six".