87358691 has 8 divisors (see below), whose sum is σ = 100276320. Its totient is φ = 74550528.

The previous prime is 87358657. The next prime is 87358717. The reversal of 87358691 is 19685378.

It is a happy number.

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 87358691 - 2⁶ = 87358627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87358091) 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, 25646 + ... + 28851.

It is an arithmetic number, because the mean of its divisors is an integer number (12534540).

Almost surely, 2^87358691 is an apocalyptic number.

87358691 is a deficient number, since it is larger than the sum of its proper divisors (12917629).

87358691 is a wasteful number, since it uses less digits than its factorization.

87358691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54733.

The product of its digits is 362880, while the sum is 47.

The square root of 87358691 is about 9346.5871311404. The cubic root of 87358691 is about 443.7128838625.

The spelling of 87358691 in words is "eighty-seven million, three hundred fifty-eight thousand, six hundred ninety-one".