107078391 has 24 divisors (see below), whose sum is σ = 180105120. Its totient is φ = 60031296.

The previous prime is 107078381. The next prime is 107078423. The reversal of 107078391 is 193870701.

It is not a de Polignac number, because 107078391 - 2⁶ = 107078327 is a prime.

It is a super-2 number, since 2×107078391² = 22931563638297762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107078311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12696 + ... + 19373.

It is an arithmetic number, because the mean of its divisors is an integer number (7504380).

Almost surely, 2^107078391 is an apocalyptic number.

107078391 is a deficient number, since it is larger than the sum of its proper divisors (73026729).

107078391 is a wasteful number, since it uses less digits than its factorization.

107078391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32135 (or 32132 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 107078391 is about 10347.8689110367. The cubic root of 107078391 is about 474.8618486506.

The spelling of 107078391 in words is "one hundred seven million, seventy-eight thousand, three hundred ninety-one".