2376772561 has 4 divisors (see below), whose sum is σ = 2390050800. Its totient is φ = 2363494324.

The previous prime is 2376772547. The next prime is 2376772571. The reversal of 2376772561 is 1652776732.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2376772561 - 2⁹ = 2376772049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2376772571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6638851 + ... + 6639208.

It is an arithmetic number, because the mean of its divisors is an integer number (597512700).

Almost surely, 2^2376772561 is an apocalyptic number.

It is an amenable number.

2376772561 is a deficient number, since it is larger than the sum of its proper divisors (13278239).

2376772561 is a wasteful number, since it uses less digits than its factorization.

2376772561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13278238.

The product of its digits is 740880, while the sum is 46.

The square root of 2376772561 is about 48752.1544241893. The cubic root of 2376772561 is about 1334.5326649557.

The spelling of 2376772561 in words is "two billion, three hundred seventy-six million, seven hundred seventy-two thousand, five hundred sixty-one".