1156794867 has 48 divisors (see below), whose sum is σ = 1782743040. Its totient is φ = 721296576.

The previous prime is 1156794857. The next prime is 1156794929. The reversal of 1156794867 is 7684976511.

1156794867 is a `hidden beast` number, since 1 + 156 + 7 + 9 + 486 + 7 = 666.

It is not a de Polignac number, because 1156794867 - 2⁷ = 1156794739 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1156794817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2076553 + ... + 2077109.

It is an arithmetic number, because the mean of its divisors is an integer number (37140480).

Almost surely, 2^1156794867 is an apocalyptic number.

1156794867 is a deficient number, since it is larger than the sum of its proper divisors (625948173).

1156794867 is a wasteful number, since it uses less digits than its factorization.

1156794867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792 (or 789 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 1156794867 is about 34011.6872118982. The cubic root of 1156794867 is about 1049.7489549483.

The spelling of 1156794867 in words is "one billion, one hundred fifty-six million, seven hundred ninety-four thousand, eight hundred sixty-seven".