2805995937 has 16 divisors (see below), whose sum is σ = 3800895488. Its totient is φ = 1841104080.

The previous prime is 2805995893. The next prime is 2805995963. The reversal of 2805995937 is 7395995082.

It is not a de Polignac number, because 2805995937 - 2¹⁹ = 2805471649 is a prime.

It is a super-2 number, since 2×2805995937² = 15747226396921015938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2805995977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22512 + ... + 78222.

It is an arithmetic number, because the mean of its divisors is an integer number (237555968).

Almost surely, 2^2805995937 is an apocalyptic number.

It is an amenable number.

2805995937 is a deficient number, since it is larger than the sum of its proper divisors (994899551).

2805995937 is a wasteful number, since it uses less digits than its factorization.

2805995937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55980.

The product of its (nonzero) digits is 6123600, while the sum is 57.

The square root of 2805995937 is about 52971.6522019089. The cubic root of 2805995937 is about 1410.4651043470.

The spelling of 2805995937 in words is "two billion, eight hundred five million, nine hundred ninety-five thousand, nine hundred thirty-seven".