107978071 has 4 divisors (see below), whose sum is σ = 109589752. Its totient is φ = 106366392.

The previous prime is 107978047. The next prime is 107978089. The reversal of 107978071 is 170879701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170879701 = 4967 ⋅34403.

It is a cyclic number.

It is not a de Polignac number, because 107978071 - 2⁷ = 107977943 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 (107978011) 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, 805740 + ... + 805873.

It is an arithmetic number, because the mean of its divisors is an integer number (27397438).

Almost surely, 2^107978071 is an apocalyptic number.

107978071 is a deficient number, since it is larger than the sum of its proper divisors (1611681).

107978071 is an equidigital number, since it uses as much as digits as its factorization.

107978071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611680.

The product of its (nonzero) digits is 24696, while the sum is 40.

The square root of 107978071 is about 10391.2497323469. The cubic root of 107978071 is about 476.1880818183.

The spelling of 107978071 in words is "one hundred seven million, nine hundred seventy-eight thousand, seventy-one".