87297699 has 8 divisors (see below), whose sum is σ = 117234880. Its totient is φ = 57779496.

The previous prime is 87297677. The next prime is 87297709. The reversal of 87297699 is 99679278.

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

It is not a de Polignac number, because 87297699 - 2¹¹ = 87295651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87297619) 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, 104257 + ... + 105090.

It is an arithmetic number, because the mean of its divisors is an integer number (14654360).

Almost surely, 2^87297699 is an apocalyptic number.

87297699 is a deficient number, since it is larger than the sum of its proper divisors (29937181).

87297699 is a wasteful number, since it uses less digits than its factorization.

87297699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209489.

The product of its digits is 3429216, while the sum is 57.

The square root of 87297699 is about 9343.3237661980. The cubic root of 87297699 is about 443.6095961544.

The spelling of 87297699 in words is "eighty-seven million, two hundred ninety-seven thousand, six hundred ninety-nine".