108956407 has 4 divisors (see below), whose sum is σ = 124521616. Its totient is φ = 93391200.

The previous prime is 108956371. The next prime is 108956411. The reversal of 108956407 is 704659801.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-108956407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 108956407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108956447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7782594 + ... + 7782607.

It is an arithmetic number, because the mean of its divisors is an integer number (31130404).

Almost surely, 2^108956407 is an apocalyptic number.

108956407 is a deficient number, since it is larger than the sum of its proper divisors (15565209).

108956407 is an equidigital number, since it uses as much as digits as its factorization.

108956407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15565208.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 108956407 is about 10438.2185740671. The cubic root of 108956407 is about 477.6219284221.

The spelling of 108956407 in words is "one hundred eight million, nine hundred fifty-six thousand, four hundred seven".