107877997 has 4 divisors (see below), whose sum is σ = 108565276. Its totient is φ = 107190720.

The previous prime is 107877989. The next prime is 107878003. The reversal of 107877997 is 799778701.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26409321 + 81468676 = 5139^2 + 9026^2 .

It is a cyclic number.

It is not a de Polignac number, because 107877997 - 2³ = 107877989 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 (107877947) 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, 343404 + ... + 343717.

It is an arithmetic number, because the mean of its divisors is an integer number (27141319).

Almost surely, 2^107877997 is an apocalyptic number.

It is an amenable number.

107877997 is a deficient number, since it is larger than the sum of its proper divisors (687279).

107877997 is an equidigital number, since it uses as much as digits as its factorization.

107877997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687278.

The product of its (nonzero) digits is 1555848, while the sum is 55.

The square root of 107877997 is about 10386.4333146658. The cubic root of 107877997 is about 476.0409260882.

The spelling of 107877997 in words is "one hundred seven million, eight hundred seventy-seven thousand, nine hundred ninety-seven".