1157630687 has 16 divisors (see below), whose sum is σ = 1229168640. Its totient is φ = 1087998912.

The previous prime is 1157630653. The next prime is 1157630701. The reversal of 1157630687 is 7860367511.

It is a cyclic number.

It is not a de Polignac number, because 1157630687 - 2¹⁶ = 1157565151 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 (1157630627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403763 + ... + 406619.

It is an arithmetic number, because the mean of its divisors is an integer number (76823040).

Almost surely, 2^1157630687 is an apocalyptic number.

1157630687 is a deficient number, since it is larger than the sum of its proper divisors (71537953).

1157630687 is a wasteful number, since it uses less digits than its factorization.

1157630687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3182.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 1157630687 is about 34023.9722401721. The cubic root of 1157630687 is about 1050.0017194227.

The spelling of 1157630687 in words is "one billion, one hundred fifty-seven million, six hundred thirty thousand, six hundred eighty-seven".