1158987676 has 48 divisors (see below), whose sum is σ = 2576448000. Its totient is φ = 443027520.

The previous prime is 1158987601. The next prime is 1158987677. The reversal of 1158987676 is 6767898511.

It is a self number, because there is not a number n which added to its sum of digits gives 1158987676.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158987677) 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, 19176 + ... + 51823.

It is an arithmetic number, because the mean of its divisors is an integer number (53676000).

Almost surely, 2^1158987676 is an apocalyptic number.

It is an amenable number.

1158987676 is an abundant number, since it is smaller than the sum of its proper divisors (1417460324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1158987676 is a wasteful number, since it uses less digits than its factorization.

1158987676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71074 (or 71072 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 58.

The square root of 1158987676 is about 34043.9080600333. The cubic root of 1158987676 is about 1050.4118342152.

The spelling of 1158987676 in words is "one billion, one hundred fifty-eight million, nine hundred eighty-seven thousand, six hundred seventy-six".