87953799 has 8 divisors (see below), whose sum is σ = 117355392. Its totient is φ = 58594040.

The previous prime is 87953797. The next prime is 87953819. The reversal of 87953799 is 99735978.

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

It is a cyclic number.

It is not a de Polignac number, because 87953799 - 2¹ = 87953797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87953797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5169 + ... + 14234.

It is an arithmetic number, because the mean of its divisors is an integer number (14669424).

Almost surely, 2^87953799 is an apocalyptic number.

87953799 is a deficient number, since it is larger than the sum of its proper divisors (29401593).

87953799 is a wasteful number, since it uses less digits than its factorization.

87953799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20917.

The product of its digits is 4286520, while the sum is 57.

The square root of 87953799 is about 9378.3686747749. The cubic root of 87953799 is about 444.7181634994.

The spelling of 87953799 in words is "eighty-seven million, nine hundred fifty-three thousand, seven hundred ninety-nine".