707197997 has 16 divisors (see below), whose sum is σ = 813359232. Its totient is φ = 608593920.

The previous prime is 707197991. The next prime is 707198047. The reversal of 707197997 is 799791707.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-707197997 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 (707197991) 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, 10133 + ... + 38949.

It is an arithmetic number, because the mean of its divisors is an integer number (50834952).

Almost surely, 2^707197997 is an apocalyptic number.

It is an amenable number.

707197997 is a deficient number, since it is larger than the sum of its proper divisors (106161235).

707197997 is a wasteful number, since it uses less digits than its factorization.

707197997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28948.

The product of its (nonzero) digits is 1750329, while the sum is 56.

The square root of 707197997 is about 26593.1945617671. The cubic root of 707197997 is about 890.9370247344.

The spelling of 707197997 in words is "seven hundred seven million, one hundred ninety-seven thousand, nine hundred ninety-seven".