107218857 has 8 divisors (see below), whose sum is σ = 143022880. Its totient is φ = 71447040.

The previous prime is 107218817. The next prime is 107218877. The reversal of 107218857 is 758812701.

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

It is not a de Polignac number, because 107218857 - 2¹⁰ = 107217833 is a prime.

It is a super-2 number, since 2×107218857² = 22991766592772898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107218817) 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, 1257 + ... + 14697.

It is an arithmetic number, because the mean of its divisors is an integer number (17877860).

Almost surely, 2^107218857 is an apocalyptic number.

It is an amenable number.

107218857 is a deficient number, since it is larger than the sum of its proper divisors (35804023).

107218857 is a wasteful number, since it uses less digits than its factorization.

107218857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16103.

The product of its (nonzero) digits is 31360, while the sum is 39.

The square root of 107218857 is about 10354.6538812265. The cubic root of 107218857 is about 475.0694000168.

The spelling of 107218857 in words is "one hundred seven million, two hundred eighteen thousand, eight hundred fifty-seven".