80938000650 has 96 divisors (see below), whose sum is σ = 216239784768. Its totient is φ = 19916467200.

The previous prime is 80938000589. The next prime is 80938000667. The reversal of 80938000650 is 5600083908.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 80938000599 and 80938000608.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8265057 + ... + 8274843.

It is an arithmetic number, because the mean of its divisors is an integer number (2252497758).

Almost surely, 2^80938000650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80938000650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108119892384).

80938000650 is an abundant number, since it is smaller than the sum of its proper divisors (135301784118).

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

80938000650 is a wasteful number, since it uses less digits than its factorization.

80938000650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14056 (or 14051 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 80938000650 in words is "eighty billion, nine hundred thirty-eight million, six hundred fifty", and thus it is an aban number.