87997007 has 8 divisors (see below), whose sum is σ = 100684800. Its totient is φ = 75338424.

The previous prime is 87997001. The next prime is 87997009. The reversal of 87997007 is 70079978.

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

It is not a de Polignac number, because 87997007 - 2¹⁶ = 87931471 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 (87997001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407 + ... + 13272.

It is an arithmetic number, because the mean of its divisors is an integer number (12585600).

Almost surely, 2^87997007 is an apocalyptic number.

87997007 is a deficient number, since it is larger than the sum of its proper divisors (12687793).

87997007 is a wasteful number, since it uses less digits than its factorization.

87997007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14605.

The product of its (nonzero) digits is 222264, while the sum is 47.

The square root of 87997007 is about 9380.6719908544. The cubic root of 87997007 is about 444.7909753503.

The spelling of 87997007 in words is "eighty-seven million, nine hundred ninety-seven thousand, seven".