2785292979 has 32 divisors (see below), whose sum is σ = 4331798016. Its totient is φ = 1559036160.

The previous prime is 2785292977. The next prime is 2785292987. The reversal of 2785292979 is 9792925872.

It is not a de Polignac number, because 2785292979 - 2¹ = 2785292977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2785292977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 249199 + ... + 260135.

It is an arithmetic number, because the mean of its divisors is an integer number (135368688).

Almost surely, 2^2785292979 is an apocalyptic number.

2785292979 is a deficient number, since it is larger than the sum of its proper divisors (1546505037).

2785292979 is a wasteful number, since it uses less digits than its factorization.

2785292979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11195.

The product of its digits is 11430720, while the sum is 60.

The square root of 2785292979 is about 52775.8749714299. The cubic root of 2785292979 is about 1406.9876805365.

The spelling of 2785292979 in words is "two billion, seven hundred eighty-five million, two hundred ninety-two thousand, nine hundred seventy-nine".