8380583792985 has 64 divisors (see below), whose sum is σ = 13640726799360. Its totient is φ = 4393154088960.

The previous prime is 8380583792983. The next prime is 8380583792989. The reversal of 8380583792985 is 5892973850838.

It is not a de Polignac number, because 8380583792985 - 2¹ = 8380583792983 is a prime.

It is a super-2 number, since 2×8380583792985² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8380583792981) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 135421600 + ... + 135483470.

It is an arithmetic number, because the mean of its divisors is an integer number (213136356240).

Almost surely, 2^{8380583792985} is an apocalyptic number.

It is an amenable number.

8380583792985 is a deficient number, since it is larger than the sum of its proper divisors (5260143006375).

8380583792985 is a wasteful number, since it uses less digits than its factorization.

8380583792985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62658.

The product of its (nonzero) digits is 1045094400, while the sum is 75.

The spelling of 8380583792985 in words is "eight trillion, three hundred eighty billion, five hundred eighty-three million, seven hundred ninety-two thousand, nine hundred eighty-five".