2981772086 has 16 divisors (see below), whose sum is σ = 4737288240. Its totient is φ = 1402732800.

The previous prime is 2981772077. The next prime is 2981772127. The reversal of 2981772086 is 6802771892.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107561 + ... + 132411.

It is an arithmetic number, because the mean of its divisors is an integer number (296080515).

Almost surely, 2^2981772086 is an apocalyptic number.

2981772086 is a deficient number, since it is larger than the sum of its proper divisors (1755516154).

2981772086 is a wasteful number, since it uses less digits than its factorization.

2981772086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28399.

The product of its (nonzero) digits is 677376, while the sum is 50.

The square root of 2981772086 is about 54605.6048954684. The cubic root of 2981772086 is about 1439.3226118922.

The spelling of 2981772086 in words is "two billion, nine hundred eighty-one million, seven hundred seventy-two thousand, eighty-six".