107856813 has 8 divisors (see below), whose sum is σ = 147695968. Its totient is φ = 69961104.

The previous prime is 107856811. The next prime is 107856851. The reversal of 107856813 is 318658701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 107856813 - 2¹ = 107856811 is a prime.

It is a super-2 number, since 2×107856813² = 23266184221033938, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107856811) 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, 485731 + ... + 485952.

It is an arithmetic number, because the mean of its divisors is an integer number (18461996).

Almost surely, 2^107856813 is an apocalyptic number.

It is an amenable number.

107856813 is a deficient number, since it is larger than the sum of its proper divisors (39839155).

107856813 is an equidigital number, since it uses as much as digits as its factorization.

107856813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971723.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 107856813 is about 10385.4134727511. The cubic root of 107856813 is about 476.0097639995.

The spelling of 107856813 in words is "one hundred seven million, eight hundred fifty-six thousand, eight hundred thirteen".