113778397 has 8 divisors (see below), whose sum is σ = 117987840. Its totient is φ = 109588080.

The previous prime is 113778383. The next prime is 113778437. The reversal of 113778397 is 793877311.

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 113778397 - 2¹⁹ = 113254109 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 (113778997) 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, 7948 + ... + 17050.

It is an arithmetic number, because the mean of its divisors is an integer number (14748480).

Almost surely, 2^113778397 is an apocalyptic number.

It is an amenable number.

113778397 is a deficient number, since it is larger than the sum of its proper divisors (4209443).

113778397 is an equidigital number, since it uses as much as digits as its factorization.

113778397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9563.

The product of its digits is 222264, while the sum is 46.

The square root of 113778397 is about 10666.6956926688. The cubic root of 113778397 is about 484.5663704839.

The spelling of 113778397 in words is "one hundred thirteen million, seven hundred seventy-eight thousand, three hundred ninety-seven".