87440527 has 8 divisors (see below), whose sum is σ = 92130560. Its totient is φ = 82759320.

The previous prime is 87440497. The next prime is 87440533. The reversal of 87440527 is 72504478.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87440527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87440827) 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, 31402 + ... + 34072.

It is an arithmetic number, because the mean of its divisors is an integer number (11516320).

Almost surely, 2^87440527 is an apocalyptic number.

87440527 is a deficient number, since it is larger than the sum of its proper divisors (4690033).

87440527 is a wasteful number, since it uses less digits than its factorization.

87440527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4413.

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 87440527 is about 9350.9639610042. The cubic root of 87440527 is about 443.8513946176.

The spelling of 87440527 in words is "eighty-seven million, four hundred forty thousand, five hundred twenty-seven".