1107764857 has 4 divisors (see below), whose sum is σ = 1108074240. Its totient is φ = 1107455476.

The previous prime is 1107764851. The next prime is 1107764873. The reversal of 1107764857 is 7584677011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7584677011 = 1709 ⋅4438079.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1107764857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1107764851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149257 + ... + 156502.

It is an arithmetic number, because the mean of its divisors is an integer number (277018560).

Almost surely, 2^1107764857 is an apocalyptic number.

It is an amenable number.

1107764857 is a deficient number, since it is larger than the sum of its proper divisors (309383).

1107764857 is an equidigital number, since it uses as much as digits as its factorization.

1107764857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309382.

The product of its (nonzero) digits is 329280, while the sum is 46.

The square root of 1107764857 is about 33283.1016733717. The cubic root of 1107764857 is about 1034.7033641574.

The spelling of 1107764857 in words is "one billion, one hundred seven million, seven hundred sixty-four thousand, eight hundred fifty-seven".