86280072699478 has 16 divisors (see below), whose sum is σ = 147910048427520. Its totient is φ = 36976835921256.

The previous prime is 86280072699461. The next prime is 86280072699539. The reversal of 86280072699478 is 87499627008268.

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, 26585448 + ... + 29653771.

It is an arithmetic number, because the mean of its divisors is an integer number (9244378026720).

Almost surely, 2^{86280072699478} is an apocalyptic number.

86280072699478 is a deficient number, since it is larger than the sum of its proper divisors (61629975728042).

86280072699478 is a wasteful number, since it uses less digits than its factorization.

86280072699478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56348811.

The product of its (nonzero) digits is 1170505728, while the sum is 76.

The spelling of 86280072699478 in words is "eighty-six trillion, two hundred eighty billion, seventy-two million, six hundred ninety-nine thousand, four hundred seventy-eight".