87423830 has 32 divisors (see below), whose sum is σ = 170178624. Its totient is φ = 32144256.

The previous prime is 87423803. The next prime is 87423857. The reversal of 87423830 is 3832478.

It is an interprime number because it is at equal distance from previous prime (87423803) and next prime (87423857).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32912 + ... + 35468.

It is an arithmetic number, because the mean of its divisors is an integer number (5318082).

Almost surely, 2^87423830 is an apocalyptic number.

87423830 is a deficient number, since it is larger than the sum of its proper divisors (82754794).

87423830 is a wasteful number, since it uses less digits than its factorization.

87423830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2840.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 87423830 is about 9350.0711227241. The cubic root of 87423830 is about 443.8231412864.

The spelling of 87423830 in words is "eighty-seven million, four hundred twenty-three thousand, eight hundred thirty".