80086657418 has 4 divisors (see below), whose sum is σ = 120129986130. Its totient is φ = 40043328708.

The previous prime is 80086657411. The next prime is 80086657429. The reversal of 80086657418 is 81475668008.

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

It can be written as a sum of positive squares in only one way, i.e., 59147699209 + 20938958209 = 243203^2 + 144703^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80086657418.

It is not an unprimeable number, because it can be changed into a prime (80086657411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20021664353 + ... + 20021664356.

Almost surely, 2^80086657418 is an apocalyptic number.

80086657418 is a deficient number, since it is larger than the sum of its proper divisors (40043328712).

80086657418 is a wasteful number, since it uses less digits than its factorization.

80086657418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40043328711.

The product of its (nonzero) digits is 2580480, while the sum is 53.

The spelling of 80086657418 in words is "eighty billion, eighty-six million, six hundred fifty-seven thousand, four hundred eighteen".