1164864479 has 16 divisors (see below), whose sum is σ = 1206265056. Its totient is φ = 1124323200.

The previous prime is 1164864469. The next prime is 1164864487. The reversal of 1164864479 is 9744684611.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1164864479 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 (1164864409) 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, 1720289 + ... + 1720965.

It is an arithmetic number, because the mean of its divisors is an integer number (75391566).

Almost surely, 2^1164864479 is an apocalyptic number.

1164864479 is a deficient number, since it is larger than the sum of its proper divisors (41400577).

1164864479 is an equidigital number, since it uses as much as digits as its factorization.

1164864479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226.

The product of its digits is 1161216, while the sum is 50.

The square root of 1164864479 is about 34130.1110311701. Note that the first 3 decimals coincide. The cubic root of 1164864479 is about 1052.1842600015.

The spelling of 1164864479 in words is "one billion, one hundred sixty-four million, eight hundred sixty-four thousand, four hundred seventy-nine".