87701599 has 4 divisors (see below), whose sum is σ = 91514736. Its totient is φ = 83888464.

The previous prime is 87701569. The next prime is 87701609. The reversal of 87701599 is 99510778.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87701599 - 2⁹ = 87701087 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 (87701569) 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, 1906534 + ... + 1906579.

It is an arithmetic number, because the mean of its divisors is an integer number (22878684).

Almost surely, 2^87701599 is an apocalyptic number.

87701599 is a deficient number, since it is larger than the sum of its proper divisors (3813137).

87701599 is a wasteful number, since it uses less digits than its factorization.

87701599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813136.

The product of its (nonzero) digits is 158760, while the sum is 46.

The square root of 87701599 is about 9364.9131869975. The cubic root of 87701599 is about 444.2926928004.

The spelling of 87701599 in words is "eighty-seven million, seven hundred one thousand, five hundred ninety-nine".