3284721516987 has 32 divisors (see below), whose sum is σ = 4971016396800. Its totient is φ = 2142887082336.

The previous prime is 3284721516953. The next prime is 3284721517037. The reversal of 3284721516987 is 7896151274823.

3284721516987 is a `hidden beast` number, since 3 + 2 + 8 + 4 + 7 + 21 + 516 + 98 + 7 = 666.

It is not a de Polignac number, because 3284721516987 - 2⁸ = 3284721516731 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3284721516187) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2448537 + ... + 3544682.

It is an arithmetic number, because the mean of its divisors is an integer number (155344262400).

Almost surely, 2^{3284721516987} is an apocalyptic number.

3284721516987 is a deficient number, since it is larger than the sum of its proper divisors (1686294879813).

3284721516987 is a wasteful number, since it uses less digits than its factorization.

3284721516987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5993664 (or 5993658 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 63.

The spelling of 3284721516987 in words is "three trillion, two hundred eighty-four billion, seven hundred twenty-one million, five hundred sixteen thousand, nine hundred eighty-seven".