88390458666 has 24 divisors (see below), whose sum is σ = 195966444960. Its totient is φ = 28778288616.

The previous prime is 88390458617. The next prime is 88390458697. The reversal of 88390458666 is 66685409388.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57099006 + ... + 57100553.

It is an arithmetic number, because the mean of its divisors is an integer number (8165268540).

Almost surely, 2^88390458666 is an apocalyptic number.

88390458666 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

88390458666 is an abundant number, since it is smaller than the sum of its proper divisors (107575986294).

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

88390458666 is a wasteful number, since it uses less digits than its factorization.

88390458666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114199610 (or 114199607 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 63.

The spelling of 88390458666 in words is "eighty-eight billion, three hundred ninety million, four hundred fifty-eight thousand, six hundred sixty-six".