1157875887 has 8 divisors (see below), whose sum is σ = 1764382336. Its totient is φ = 661643352.

The previous prime is 1157875877. The next prime is 1157875907. The reversal of 1157875887 is 7885787511.

It is a happy number.

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

It is not a de Polignac number, because 1157875887 - 2⁷ = 1157875759 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 (1157875847) 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, 27568453 + ... + 27568494.

It is an arithmetic number, because the mean of its divisors is an integer number (220547792).

Almost surely, 2^1157875887 is an apocalyptic number.

1157875887 is a deficient number, since it is larger than the sum of its proper divisors (606506449).

1157875887 is an equidigital number, since it uses as much as digits as its factorization.

1157875887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55136957.

The product of its digits is 4390400, while the sum is 57.

The square root of 1157875887 is about 34027.5753911442. The cubic root of 1157875887 is about 1050.0758484891.

The spelling of 1157875887 in words is "one billion, one hundred fifty-seven million, eight hundred seventy-five thousand, eight hundred eighty-seven".