87393070 has 16 divisors (see below), whose sum is σ = 158701680. Its totient is φ = 34647424.

The previous prime is 87393049. The next prime is 87393079. The reversal of 87393070 is 7039378.

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 7 ways as a sum of consecutive naturals, for example, 37540 + ... + 39799.

It is an arithmetic number, because the mean of its divisors is an integer number (9918855).

Almost surely, 2^87393070 is an apocalyptic number.

87393070 is a deficient number, since it is larger than the sum of its proper divisors (71308610).

87393070 is a wasteful number, since it uses less digits than its factorization.

87393070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77459.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 87393070 is about 9348.4260707351. The cubic root of 87393070 is about 443.7710822491.

The spelling of 87393070 in words is "eighty-seven million, three hundred ninety-three thousand, seventy".