1158488763 has 4 divisors (see below), whose sum is σ = 1544651688. Its totient is φ = 772325840.

The previous prime is 1158488741. The next prime is 1158488797. The reversal of 1158488763 is 3678848511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1158488763 - 2¹⁷ = 1158357691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1158488063) 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, 193081458 + ... + 193081463.

It is an arithmetic number, because the mean of its divisors is an integer number (386162922).

Almost surely, 2^1158488763 is an apocalyptic number.

1158488763 is a deficient number, since it is larger than the sum of its proper divisors (386162925).

1158488763 is an equidigital number, since it uses as much as digits as its factorization.

1158488763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386162924.

The product of its digits is 1290240, while the sum is 51.

The square root of 1158488763 is about 34036.5797782327. The cubic root of 1158488763 is about 1050.2610879082.

The spelling of 1158488763 in words is "one billion, one hundred fifty-eight million, four hundred eighty-eight thousand, seven hundred sixty-three".