107977869 has 12 divisors (see below), whose sum is σ = 158525692. Its totient is φ = 70804800.

The previous prime is 107977853. The next prime is 107977879. The reversal of 107977869 is 968779701.

It can be written as a sum of positive squares in 2 ways, for example, as 6734025 + 101243844 = 2595^2 + 10062^2 .

It is not a de Polignac number, because 107977869 - 2⁴ = 107977853 is a prime.

It is a super-2 number, since 2×107977869² = 23318440387562322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107977819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97792 + ... + 98889.

Almost surely, 2^107977869 is an apocalyptic number.

It is an amenable number.

107977869 is a deficient number, since it is larger than the sum of its proper divisors (50547823).

107977869 is a wasteful number, since it uses less digits than its factorization.

107977869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196748 (or 196745 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 54.

The square root of 107977869 is about 10391.2400126260. The cubic root of 107977869 is about 476.1877848751.

The spelling of 107977869 in words is "one hundred seven million, nine hundred seventy-seven thousand, eight hundred sixty-nine".