117700397 has 6 divisors (see below), whose sum is σ = 121620654. Its totient is φ = 113902680.

The previous prime is 117700369. The next prime is 117700403. The reversal of 117700397 is 793007711.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 117050761 + 649636 = 10819^2 + 806^2 .

It is not a de Polignac number, because 117700397 - 2¹⁶ = 117634861 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 (117700327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60278 + ... + 62199.

It is an arithmetic number, because the mean of its divisors is an integer number (20270109).

Almost surely, 2^117700397 is an apocalyptic number.

It is an amenable number.

117700397 is a deficient number, since it is larger than the sum of its proper divisors (3920257).

117700397 is an equidigital number, since it uses as much as digits as its factorization.

117700397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122539 (or 122508 counting only the distinct ones).

The product of its (nonzero) digits is 9261, while the sum is 35.

The square root of 117700397 is about 10848.9813807564. The cubic root of 117700397 is about 490.0713446026.

The spelling of 117700397 in words is "one hundred seventeen million, seven hundred thousand, three hundred ninety-seven".