80435367718 has 4 divisors (see below), whose sum is σ = 120653051580. Its totient is φ = 40217683858.

The previous prime is 80435367653. The next prime is 80435367739. The reversal of 80435367718 is 81776353408.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20108841928 + ... + 20108841931.

It is an arithmetic number, because the mean of its divisors is an integer number (30163262895).

Almost surely, 2^80435367718 is an apocalyptic number.

80435367718 is a deficient number, since it is larger than the sum of its proper divisors (40217683862).

80435367718 is a wasteful number, since it uses less digits than its factorization.

80435367718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40217683861.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 80435367718 in words is "eighty billion, four hundred thirty-five million, three hundred sixty-seven thousand, seven hundred eighteen".