80706536656532 has 12 divisors (see below), whose sum is σ = 141236513431860. Its totient is φ = 40353247104576.

The previous prime is 80706536656523. The next prime is 80706536656561. The reversal of 80706536656532 is 23565663560708.

It can be written as a sum of positive squares in 2 ways, for example, as 48384628280836 + 32321908375696 = 6955906^2 + 5685236^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5861768 + ... + 13991904.

It is an arithmetic number, because the mean of its divisors is an integer number (11769709452655).

Almost surely, 2^{80706536656532} is an apocalyptic number.

It is an amenable number.

80706536656532 is a deficient number, since it is larger than the sum of its proper divisors (60529976775328).

80706536656532 is a wasteful number, since it uses less digits than its factorization.

80706536656532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10611850 (or 10611848 counting only the distinct ones).

The product of its (nonzero) digits is 163296000, while the sum is 62.

The spelling of 80706536656532 in words is "eighty trillion, seven hundred six billion, five hundred thirty-six million, six hundred fifty-six thousand, five hundred thirty-two".