2152338777 has 16 divisors (see below), whose sum is σ = 3212996160. Its totient is φ = 1423936800.

The previous prime is 2152338767. The next prime is 2152338787. The reversal of 2152338777 is 7778332512.

It is a happy number.

2152338777 is a `hidden beast` number, since 21 + 523 + 38 + 7 + 77 = 666.

It is an interprime number because it is at equal distance from previous prime (2152338767) and next prime (2152338787).

It is not a de Polignac number, because 2152338777 - 2⁸ = 2152338521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2152338707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300724 + ... + 307797.

It is an arithmetic number, because the mean of its divisors is an integer number (200812260).

Almost surely, 2^2152338777 is an apocalyptic number.

2152338777 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2152338777 is a deficient number, since it is larger than the sum of its proper divisors (1060657383).

2152338777 is a wasteful number, since it uses less digits than its factorization.

2152338777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608661 (or 608655 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 2152338777 is about 46393.3053036750. The cubic root of 2152338777 is about 1291.1307068420.

The spelling of 2152338777 in words is "two billion, one hundred fifty-two million, three hundred thirty-eight thousand, seven hundred seventy-seven".