87371193 has 16 divisors (see below), whose sum is σ = 143378816. Its totient is φ = 46085760.

The previous prime is 87371183. The next prime is 87371203. The reversal of 87371193 is 39117378.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (87371183) and next prime (87371203).

It is not a de Polignac number, because 87371193 - 2⁶ = 87371129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (87371183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159748 + ... + 160293.

It is an arithmetic number, because the mean of its divisors is an integer number (8961176).

Almost surely, 2^87371193 is an apocalyptic number.

It is an amenable number.

87371193 is a deficient number, since it is larger than the sum of its proper divisors (56007623).

87371193 is a wasteful number, since it uses less digits than its factorization.

87371193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320064.

The product of its digits is 31752, while the sum is 39.

The square root of 87371193 is about 9347.2559074843. The cubic root of 87371193 is about 443.7340496019.

The spelling of 87371193 in words is "eighty-seven million, three hundred seventy-one thousand, one hundred ninety-three".