87808651 has 8 divisors (see below), whose sum is σ = 102246624. Its totient is φ = 73844160.

The previous prime is 87808597. The next prime is 87808661. The reversal of 87808651 is 15680878.

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 87808651 - 2¹¹ = 87806603 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87808598 and 87808607.

It is not an unprimeable number, because it can be changed into a prime (87808661) 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, 117970 + ... + 118711.

It is an arithmetic number, because the mean of its divisors is an integer number (12780828).

Almost surely, 2^87808651 is an apocalyptic number.

87808651 is a deficient number, since it is larger than the sum of its proper divisors (14437973).

87808651 is a wasteful number, since it uses less digits than its factorization.

87808651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236741.

The product of its (nonzero) digits is 107520, while the sum is 43.

The square root of 87808651 is about 9370.6270334487. The cubic root of 87808651 is about 444.4733929732.

The spelling of 87808651 in words is "eighty-seven million, eight hundred eight thousand, six hundred fifty-one".