690091117 has 8 divisors (see below), whose sum is σ = 696003840. Its totient is φ = 684204000.

The previous prime is 690091097. The next prime is 690091141. The reversal of 690091117 is 711190096.

690091117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 690091117 - 2²³ = 681702509 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 (690091147) 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, 49809 + ... + 62137.

It is an arithmetic number, because the mean of its divisors is an integer number (87000480).

Almost surely, 2^690091117 is an apocalyptic number.

It is an amenable number.

690091117 is a deficient number, since it is larger than the sum of its proper divisors (5912723).

690091117 is a wasteful number, since it uses less digits than its factorization.

690091117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12803.

The product of its (nonzero) digits is 3402, while the sum is 34.

The square root of 690091117 is about 26269.5853983271. The cubic root of 690091117 is about 883.6944871692.

The spelling of 690091117 in words is "six hundred ninety million, ninety-one thousand, one hundred seventeen".