86478455 has 16 divisors (see below), whose sum is σ = 119391744. Its totient is φ = 58903200.

The previous prime is 86478421. The next prime is 86478467. The reversal of 86478455 is 55487468.

It is not a de Polignac number, because 86478455 - 2⁸ = 86478199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2897 + ... + 13466.

It is an arithmetic number, because the mean of its divisors is an integer number (7461984).

Almost surely, 2^86478455 is an apocalyptic number.

86478455 is a deficient number, since it is larger than the sum of its proper divisors (32913289).

86478455 is a wasteful number, since it uses less digits than its factorization.

86478455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16526.

The product of its digits is 1075200, while the sum is 47.

The square root of 86478455 is about 9299.3792803606. The cubic root of 86478455 is about 442.2175498605.

The spelling of 86478455 in words is "eighty-six million, four hundred seventy-eight thousand, four hundred fifty-five".