8400286820047 has 8 divisors (see below), whose sum is σ = 8440197966720. Its totient is φ = 8360376611160.

The previous prime is 8400286820021. The next prime is 8400286820063. The reversal of 8400286820047 is 7400286820048.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8400286820047 - 2²⁷ = 8400152602319 is a prime.

It is a super-2 number, since 2×8400286820047² (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 (8400286820087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23335854 + ... + 23693092.

It is an arithmetic number, because the mean of its divisors is an integer number (1055024745840).

Almost surely, 2^{8400286820047} is an apocalyptic number.

8400286820047 is a deficient number, since it is larger than the sum of its proper divisors (39911146673).

8400286820047 is a wasteful number, since it uses less digits than its factorization.

8400286820047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468893.

The product of its (nonzero) digits is 1376256, while the sum is 49.

Subtracting from 8400286820047 its reverse (7400286820048), we obtain a palindrome (999999999999).

The spelling of 8400286820047 in words is "eight trillion, four hundred billion, two hundred eighty-six million, eight hundred twenty thousand, forty-seven".