87666092 has 24 divisors (see below), whose sum is σ = 157140480. Its totient is φ = 42774480.

The previous prime is 87666079. The next prime is 87666097. The reversal of 87666092 is 29066678.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (87666097) 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, 118259 + ... + 118997.

It is an arithmetic number, because the mean of its divisors is an integer number (6547520).

Almost surely, 2^87666092 is an apocalyptic number.

It is an amenable number.

87666092 is a deficient number, since it is larger than the sum of its proper divisors (69474388).

87666092 is a wasteful number, since it uses less digits than its factorization.

87666092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421 (or 1419 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 87666092 is about 9363.0172487292. The cubic root of 87666092 is about 444.2327257065.

The spelling of 87666092 in words is "eighty-seven million, six hundred sixty-six thousand, ninety-two".