80421511008 has 48 divisors (see below), whose sum is σ = 218386007280. Its totient is φ = 25882784256.

The previous prime is 80421510997. The next prime is 80421511063. The reversal of 80421511008 is 80011512408.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 14440735 + ... + 14446302.

It is an arithmetic number, because the mean of its divisors is an integer number (4549708485).

Almost surely, 2^80421511008 is an apocalyptic number.

It is an amenable number.

80421511008 is an abundant number, since it is smaller than the sum of its proper divisors (137964496272).

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

80421511008 is a wasteful number, since it uses less digits than its factorization.

80421511008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28887079 (or 28887071 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 30.

The spelling of 80421511008 in words is "eighty billion, four hundred twenty-one million, five hundred eleven thousand, eight".