1157979822 has 8 divisors (see below), whose sum is σ = 2315959656. Its totient is φ = 385993272.

The previous prime is 1157979799. The next prime is 1157979841. The reversal of 1157979822 is 2289797511.

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

1157979822 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96498313 + ... + 96498324.

It is an arithmetic number, because the mean of its divisors is an integer number (289494957).

Almost surely, 2^1157979822 is an apocalyptic number.

1157979822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1157979822 is a wasteful number, since it uses less digits than its factorization.

1157979822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192996642.

The product of its digits is 635040, while the sum is 51.

The square root of 1157979822 is about 34029.1025741203. The cubic root of 1157979822 is about 1050.1072670459.

The spelling of 1157979822 in words is "one billion, one hundred fifty-seven million, nine hundred seventy-nine thousand, eight hundred twenty-two".