696231855 has 160 divisors (see below), whose sum is σ = 1496024640. Its totient is φ = 305786880.

The previous prime is 696231829. The next prime is 696231859. The reversal of 696231855 is 558132696.

696231855 is a `hidden beast` number, since 6 + 9 + 623 + 18 + 5 + 5 = 666.

It is not a de Polignac number, because 696231855 - 2⁹ = 696231343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 696231855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696231859) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2196157 + ... + 2196473.

It is an arithmetic number, because the mean of its divisors is an integer number (9350154).

Almost surely, 2^696231855 is an apocalyptic number.

696231855 is an abundant number, since it is smaller than the sum of its proper divisors (799792785).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

696231855 is a wasteful number, since it uses less digits than its factorization.

696231855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 382 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 696231855 is about 26386.2057711979. The cubic root of 696231855 is about 886.3079195962.

The spelling of 696231855 in words is "six hundred ninety-six million, two hundred thirty-one thousand, eight hundred fifty-five".