87393075 has 96 divisors (see below), whose sum is σ = 185464320. Its totient is φ = 35251200.

The previous prime is 87393049. The next prime is 87393079. The reversal of 87393075 is 57039378.

It is not a de Polignac number, because 87393075 - 2¹¹ = 87391027 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87393079) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 213471 + ... + 213879.

It is an arithmetic number, because the mean of its divisors is an integer number (1931920).

Almost surely, 2^87393075 is an apocalyptic number.

87393075 is an abundant number, since it is smaller than the sum of its proper divisors (98071245).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87393075 is a wasteful number, since it uses less digits than its factorization.

87393075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 87393075 is about 9348.4263381598. The cubic root of 87393075 is about 443.7710907122.

The spelling of 87393075 in words is "eighty-seven million, three hundred ninety-three thousand, seventy-five".