80935716436 has 12 divisors (see below), whose sum is σ = 144038139840. Its totient is φ = 39781962200.

The previous prime is 80935716397. The next prime is 80935716451. The reversal of 80935716436 is 63461753908.

It is a happy number.

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, 171473740 + ... + 171474211.

It is an arithmetic number, because the mean of its divisors is an integer number (12003178320).

Almost surely, 2^80935716436 is an apocalyptic number.

It is an amenable number.

80935716436 is a deficient number, since it is larger than the sum of its proper divisors (63102423404).

80935716436 is a wasteful number, since it uses less digits than its factorization.

80935716436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342948014 (or 342948012 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 80935716436 in words is "eighty billion, nine hundred thirty-five million, seven hundred sixteen thousand, four hundred thirty-six".