698307087 has 16 divisors (see below), whose sum is σ = 940544000. Its totient is φ = 460821312.

The previous prime is 698307073. The next prime is 698307091. The reversal of 698307087 is 780703896.

It is not a de Polignac number, because 698307087 - 2²⁰ = 697258511 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 (698307007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188283 + ... + 191955.

It is an arithmetic number, because the mean of its divisors is an integer number (58784000).

Almost surely, 2^698307087 is an apocalyptic number.

698307087 is a deficient number, since it is larger than the sum of its proper divisors (242236913).

698307087 is a wasteful number, since it uses less digits than its factorization.

698307087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4302.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 698307087 is about 26425.5006953511. The cubic root of 698307087 is about 887.1876409729.

The spelling of 698307087 in words is "six hundred ninety-eight million, three hundred seven thousand, eighty-seven".