87151730 has 16 divisors (see below), whose sum is σ = 157158144. Its totient is φ = 34797360.

The previous prime is 87151717. The next prime is 87151751. The reversal of 87151730 is 3715178.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1922 + ... + 13341.

It is an arithmetic number, because the mean of its divisors is an integer number (9822384).

Almost surely, 2^87151730 is an apocalyptic number.

87151730 is a deficient number, since it is larger than the sum of its proper divisors (70006414).

87151730 is a wasteful number, since it uses less digits than its factorization.

87151730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15841.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 87151730 is about 9335.5090916350. The cubic root of 87151730 is about 443.3622075276.

The spelling of 87151730 in words is "eighty-seven million, one hundred fifty-one thousand, seven hundred thirty".