87393085 has 8 divisors (see below), whose sum is σ = 112938840. Its totient is φ = 64536384.

The previous prime is 87393079. The next prime is 87393091. The reversal of 87393085 is 58039378.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (87393079) and next prime (87393091).

It can be written as a sum of positive squares in 4 ways, for example, as 11546404 + 75846681 = 3398^2 + 8709^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87393085 - 2¹⁹ = 86868797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672190 + ... + 672319.

It is an arithmetic number, because the mean of its divisors is an integer number (14117355).

Almost surely, 2^87393085 is an apocalyptic number.

It is an amenable number.

87393085 is a deficient number, since it is larger than the sum of its proper divisors (25545755).

87393085 is a wasteful number, since it uses less digits than its factorization.

87393085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344527.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 87393085 is about 9348.4268730092. The cubic root of 87393085 is about 443.7711076384.

The spelling of 87393085 in words is "eighty-seven million, three hundred ninety-three thousand, eighty-five".