86664054 has 16 divisors (see below), whose sum is σ = 182450880. Its totient is φ = 27367560.

The previous prime is 86664041. The next prime is 86664059. The reversal of 86664054 is 45046668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86664059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379992 + ... + 380219.

It is an arithmetic number, because the mean of its divisors is an integer number (11403180).

Almost surely, 2^86664054 is an apocalyptic number.

86664054 is an abundant number, since it is smaller than the sum of its proper divisors (95786826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86664054 is a wasteful number, since it uses less digits than its factorization.

86664054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760235.

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 86664054 is about 9309.3530387455. The cubic root of 86664054 is about 442.5336844350.

It can be divided in two parts, 8666 and 4054, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 86664054 in words is "eighty-six million, six hundred sixty-four thousand, fifty-four".