87165037 has 4 divisors (see below), whose sum is σ = 87226240. Its totient is φ = 87103836.

The previous prime is 87165031. The next prime is 87165041. The reversal of 87165037 is 73056178.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 87165037 - 2¹¹ = 87162989 is a prime.

It is a super-2 number, since 2×87165037² = 15195487350422738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87164987 and 87165005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87165031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28413 + ... + 31330.

It is an arithmetic number, because the mean of its divisors is an integer number (21806560).

Almost surely, 2^87165037 is an apocalyptic number.

It is an amenable number.

87165037 is a deficient number, since it is larger than the sum of its proper divisors (61203).

87165037 is a wasteful number, since it uses less digits than its factorization.

87165037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61202.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 87165037 is about 9336.2217732871. The cubic root of 87165037 is about 443.3847717026.

The spelling of 87165037 in words is "eighty-seven million, one hundred sixty-five thousand, thirty-seven".