1164777385 has 16 divisors (see below), whose sum is σ = 1460511360. Its totient is φ = 890081280.

The previous prime is 1164777377. The next prime is 1164777403. The reversal of 1164777385 is 5837774611.

It is not a de Polignac number, because 1164777385 - 2³ = 1164777377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81850 + ... + 95020.

It is an arithmetic number, because the mean of its divisors is an integer number (91281960).

Almost surely, 2^1164777385 is an apocalyptic number.

It is an amenable number.

1164777385 is a deficient number, since it is larger than the sum of its proper divisors (295733975).

1164777385 is a wasteful number, since it uses less digits than its factorization.

1164777385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13968.

The product of its digits is 987840, while the sum is 49.

The square root of 1164777385 is about 34128.8350958541. The cubic root of 1164777385 is about 1052.1580362872.

The spelling of 1164777385 in words is "one billion, one hundred sixty-four million, seven hundred seventy-seven thousand, three hundred eighty-five".