107787157 has 8 divisors (see below), whose sum is σ = 115176600. Its totient is φ = 100514304.

The previous prime is 107787139. The next prime is 107787161. The reversal of 107787157 is 751787701.

It can be written as a sum of positive squares in 4 ways, for example, as 28238596 + 79548561 = 5314^2 + 8919^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 107787157 - 2²³ = 99398549 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 (107787167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27232 + ... + 30937.

It is an arithmetic number, because the mean of its divisors is an integer number (14397075).

Almost surely, 2^107787157 is an apocalyptic number.

107787157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

107787157 is a deficient number, since it is larger than the sum of its proper divisors (7389443).

107787157 is a wasteful number, since it uses less digits than its factorization.

107787157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58295.

The product of its (nonzero) digits is 96040, while the sum is 43.

The square root of 107787157 is about 10382.0593814522. The cubic root of 107787157 is about 475.9072698515.

The spelling of 107787157 in words is "one hundred seven million, seven hundred eighty-seven thousand, one hundred fifty-seven".