87364387 has 8 divisors (see below), whose sum is σ = 95401152. Its totient is φ = 79343400.

The previous prime is 87364379. The next prime is 87364393. The reversal of 87364387 is 78346378.

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 87364387 - 2³ = 87364379 is a prime.

It is a super-2 number, since 2×87364387² = 15265072231771538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87364307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9712 + ... + 16402.

It is an arithmetic number, because the mean of its divisors is an integer number (11925144).

Almost surely, 2^87364387 is an apocalyptic number.

87364387 is a deficient number, since it is larger than the sum of its proper divisors (8036765).

87364387 is a wasteful number, since it uses less digits than its factorization.

87364387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7889.

The product of its digits is 677376, while the sum is 46.

The square root of 87364387 is about 9346.8918363272. The cubic root of 87364387 is about 443.7225273741.

Subtracting from 87364387 its reverse (78346378), we obtain a square (9018009 = 3003²).

The spelling of 87364387 in words is "eighty-seven million, three hundred sixty-four thousand, three hundred eighty-seven".