2357779164 has 72 divisors (see below), whose sum is σ = 6307746480. Its totient is φ = 682785792.

The previous prime is 2357779153. The next prime is 2357779187. The reversal of 2357779164 is 4619777532.

It is a happy number.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 282 + ... + 68670.

It is an arithmetic number, because the mean of its divisors is an integer number (87607590).

Almost surely, 2^2357779164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2357779164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3153873240).

2357779164 is an abundant number, since it is smaller than the sum of its proper divisors (3949967316).

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

2357779164 is a wasteful number, since it uses less digits than its factorization.

2357779164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68439 (or 68424 counting only the distinct ones).

The product of its digits is 2222640, while the sum is 51.

The square root of 2357779164 is about 48556.9682332001. The cubic root of 2357779164 is about 1330.9682895452.

The spelling of 2357779164 in words is "two billion, three hundred fifty-seven million, seven hundred seventy-nine thousand, one hundred sixty-four".