84480687513 has 12 divisors (see below), whose sum is σ = 122565229488. Its totient is φ = 56072349240.

The previous prime is 84480687509. The next prime is 84480687517. The reversal of 84480687513 is 31578608448.

84480687513 is a `hidden beast` number, since 8 + 4 + 48 + 0 + 6 + 87 + 513 = 666.

It is an interprime number because it is at equal distance from previous prime (84480687509) and next prime (84480687517).

It is not a de Polignac number, because 84480687513 - 2² = 84480687509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84480687513.

It is not an unprimeable number, because it can be changed into a prime (84480687517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20673603 + ... + 20677688.

It is an arithmetic number, because the mean of its divisors is an integer number (10213769124).

Almost surely, 2^84480687513 is an apocalyptic number.

It is an amenable number.

84480687513 is a deficient number, since it is larger than the sum of its proper divisors (38084541975).

84480687513 is a wasteful number, since it uses less digits than its factorization.

84480687513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41351524 (or 41351521 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 84480687513 in words is "eighty-four billion, four hundred eighty million, six hundred eighty-seven thousand, five hundred thirteen".