1162787879 has 8 divisors (see below), whose sum is σ = 1343113488. Its totient is φ = 994898560.

The previous prime is 1162787869. The next prime is 1162787887. The reversal of 1162787879 is 9787872611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1162787879 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 (1162787869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3108872 + ... + 3109245.

It is an arithmetic number, because the mean of its divisors is an integer number (167889186).

Almost surely, 2^1162787879 is an apocalyptic number.

1162787879 is a deficient number, since it is larger than the sum of its proper divisors (180325609).

1162787879 is a wasteful number, since it uses less digits than its factorization.

1162787879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6218145.

The product of its digits is 2370816, while the sum is 56.

The square root of 1162787879 is about 34099.6756436187. The cubic root of 1162787879 is about 1051.5586463104.

The spelling of 1162787879 in words is "one billion, one hundred sixty-two million, seven hundred eighty-seven thousand, eight hundred seventy-nine".