8085416783431 has 4 divisors (see below), whose sum is σ = 8707371920632. Its totient is φ = 7463461646232.

The previous prime is 8085416783407. The next prime is 8085416783443. The reversal of 8085416783431 is 1343876145808.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8085416783431 - 2²⁵ = 8085383228999 is a prime.

It is a super-2 number, since 2×8085416783431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8085416783831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310977568581 + ... + 310977568606.

It is an arithmetic number, because the mean of its divisors is an integer number (2176842980158).

Almost surely, 2^{8085416783431} is an apocalyptic number.

8085416783431 is a deficient number, since it is larger than the sum of its proper divisors (621955137201).

8085416783431 is a wasteful number, since it uses less digits than its factorization.

8085416783431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621955137200.

The product of its (nonzero) digits is 15482880, while the sum is 58.

The spelling of 8085416783431 in words is "eight trillion, eighty-five billion, four hundred sixteen million, seven hundred eighty-three thousand, four hundred thirty-one".