87008697 has 6 divisors (see below), whose sum is σ = 125679242. Its totient is φ = 58005792.

The previous prime is 87008693. The next prime is 87008711. The reversal of 87008697 is 79680078.

It can be written as a sum of positive squares in only one way, i.e., 59351616 + 27657081 = 7704^2 + 5259^2 .

It is not a de Polignac number, because 87008697 - 2² = 87008693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87008693) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4833808 + ... + 4833825.

Almost surely, 2^87008697 is an apocalyptic number.

It is an amenable number.

87008697 is a deficient number, since it is larger than the sum of its proper divisors (38670545).

87008697 is a wasteful number, since it uses less digits than its factorization.

87008697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9667639 (or 9667636 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 87008697 is about 9327.8452495740. The cubic root of 87008697 is about 443.1195267430.

The spelling of 87008697 in words is "eighty-seven million, eight thousand, six hundred ninety-seven".