1164631879 has 2 divisors, whose sum is σ = 1164631880. Its totient is φ = 1164631878.

The previous prime is 1164631877. The next prime is 1164631883. The reversal of 1164631879 is 9781364611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1164631879 - 2¹ = 1164631877 is a prime.

Together with 1164631877, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1164631877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582315939 + 582315940.

It is an arithmetic number, because the mean of its divisors is an integer number (582315940).

Almost surely, 2^1164631879 is an apocalyptic number.

1164631879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164631879 is an equidigital number, since it uses as much as digits as its factorization.

1164631879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 46.

The square root of 1164631879 is about 34126.7033128018. The cubic root of 1164631879 is about 1052.1142219971.

The spelling of 1164631879 in words is "one billion, one hundred sixty-four million, six hundred thirty-one thousand, eight hundred seventy-nine".