87399227090 has 16 divisors (see below), whose sum is σ = 179792695872. Its totient is φ = 29965449264.

The previous prime is 87399227089. The next prime is 87399227093. The reversal of 87399227090 is 9072299378.

It is not an unprimeable number, because it can be changed into a prime (87399227093) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 624280124 + ... + 624280263.

It is an arithmetic number, because the mean of its divisors is an integer number (11237043492).

Almost surely, 2^87399227090 is an apocalyptic number.

87399227090 is an abundant number, since it is smaller than the sum of its proper divisors (92393468782).

87399227090 is a wasteful number, since it uses less digits than its factorization.

87399227090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248560401.

The product of its (nonzero) digits is 3429216, while the sum is 56.

The spelling of 87399227090 in words is "eighty-seven billion, three hundred ninety-nine million, two hundred twenty-seven thousand, ninety".