3261307076986 has 48 divisors (see below), whose sum is σ = 5901135629760. Its totient is φ = 1324008840960.

The previous prime is 3261307076959. The next prime is 3261307076999. The reversal of 3261307076986 is 6896707031623.

It is a super-2 number, since 2×3261307076986² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3261307076986.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63710410 + ... + 63761578.

It is an arithmetic number, because the mean of its divisors is an integer number (122940325620).

Almost surely, 2^{3261307076986} is an apocalyptic number.

3261307076986 is a deficient number, since it is larger than the sum of its proper divisors (2639828552774).

3261307076986 is a wasteful number, since it uses less digits than its factorization.

3261307076986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63827 (or 63808 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 58.

The spelling of 3261307076986 in words is "three trillion, two hundred sixty-one billion, three hundred seven million, seventy-six thousand, nine hundred eighty-six".