1157393927 has 2 divisors, whose sum is σ = 1157393928. Its totient is φ = 1157393926.

The previous prime is 1157393921. The next prime is 1157393957. The reversal of 1157393927 is 7293937511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1157393927 - 2¹⁰ = 1157392903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1157393921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578696963 + 578696964.

It is an arithmetic number, because the mean of its divisors is an integer number (578696964).

Almost surely, 2^1157393927 is an apocalyptic number.

1157393927 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157393927 is an equidigital number, since it uses as much as digits as its factorization.

1157393927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 357210, while the sum is 47.

The square root of 1157393927 is about 34020.4927506937. The cubic root of 1157393927 is about 1049.9301320101.

The spelling of 1157393927 in words is "one billion, one hundred fifty-seven million, three hundred ninety-three thousand, nine hundred twenty-seven".