87443125 has 80 divisors (see below), whose sum is σ = 143953920. Its totient is φ = 51480000.

The previous prime is 87443101. The next prime is 87443141. The reversal of 87443125 is 52134478.

It is not a de Polignac number, because 87443125 - 2¹¹ = 87441077 is a prime.

Its product of digits (26880) is a multiple of the sum of its prime factors (140).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1106836 + ... + 1106914.

It is an arithmetic number, because the mean of its divisors is an integer number (1799424).

Almost surely, 2^87443125 is an apocalyptic number.

It is an amenable number.

87443125 is a deficient number, since it is larger than the sum of its proper divisors (56510795).

87443125 is a wasteful number, since it uses less digits than its factorization.

87443125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 125 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 87443125 is about 9351.1028761318. The cubic root of 87443125 is about 443.8557904225.

The spelling of 87443125 in words is "eighty-seven million, four hundred forty-three thousand, one hundred twenty-five".