80726605052 has 24 divisors (see below), whose sum is σ = 141832373760. Its totient is φ = 40203188480.

The previous prime is 80726605049. The next prime is 80726605079. The reversal of 80726605052 is 25050662708.

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, 3006824 + ... + 3033552.

It is an arithmetic number, because the mean of its divisors is an integer number (5909682240).

Almost surely, 2^80726605052 is an apocalyptic number.

It is an amenable number.

80726605052 is a deficient number, since it is larger than the sum of its proper divisors (61105768708).

80726605052 is a wasteful number, since it uses less digits than its factorization.

80726605052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29701 (or 29699 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 80726605052 in words is "eighty billion, seven hundred twenty-six million, six hundred five thousand, fifty-two".