1157764063 has 4 divisors (see below), whose sum is σ = 1157854960. Its totient is φ = 1157673168.

The previous prime is 1157764043. The next prime is 1157764067. The reversal of 1157764063 is 3604677511.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1157764063 - 2¹³ = 1157755871 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 (1157764067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22470 + ... + 53107.

It is an arithmetic number, because the mean of its divisors is an integer number (289463740).

Almost surely, 2^1157764063 is an apocalyptic number.

1157764063 is a deficient number, since it is larger than the sum of its proper divisors (90897).

1157764063 is an equidigital number, since it uses as much as digits as its factorization.

1157764063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90896.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 1157764063 is about 34025.9322135338. The cubic root of 1157764063 is about 1050.0420430633.

The spelling of 1157764063 in words is "one billion, one hundred fifty-seven million, seven hundred sixty-four thousand, sixty-three".