1157719893 has 24 divisors (see below), whose sum is σ = 1751463168. Its totient is φ = 679008000.

The previous prime is 1157719891. The next prime is 1157719931. The reversal of 1157719893 is 3989177511.

It is not a de Polignac number, because 1157719893 - 2¹ = 1157719891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157719891) 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 23 ways as a sum of consecutive naturals, for example, 40188 + ... + 62693.

It is an arithmetic number, because the mean of its divisors is an integer number (72977632).

Almost surely, 2^1157719893 is an apocalyptic number.

It is an amenable number.

1157719893 is a deficient number, since it is larger than the sum of its proper divisors (593743275).

1157719893 is a wasteful number, since it uses less digits than its factorization.

1157719893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102937 (or 102926 counting only the distinct ones).

The product of its digits is 476280, while the sum is 51.

The square root of 1157719893 is about 34025.2831435684. The cubic root of 1157719893 is about 1050.0286894655.

The spelling of 1157719893 in words is "one billion, one hundred fifty-seven million, seven hundred nineteen thousand, eight hundred ninety-three".