87997002 has 8 divisors (see below), whose sum is σ = 175994016. Its totient is φ = 29332332.

The previous prime is 87997001. The next prime is 87997009. The reversal of 87997002 is 20079978.

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

87997002 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (87997001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7333078 + ... + 7333089.

It is an arithmetic number, because the mean of its divisors is an integer number (21999252).

Almost surely, 2^87997002 is an apocalyptic number.

87997002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87997002 is a wasteful number, since it uses less digits than its factorization.

87997002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14666172.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 87997002 is about 9380.6717243490. The cubic root of 87997002 is about 444.7909669260.

The spelling of 87997002 in words is "eighty-seven million, nine hundred ninety-seven thousand, two".