854248689099 has 144 divisors (see below), whose sum is σ = 1450595381760. Its totient is φ = 496551332160.

The previous prime is 854248689089. The next prime is 854248689139. The reversal of 854248689099 is 990986842458.

854248689099 is a `hidden beast` number, since 8 + 54 + 2 + 486 + 8 + 9 + 0 + 99 = 666.

854248689099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 854248689099 - 2⁴ = 854248689083 is a prime.

It is a super-2 number, since 2×854248689099² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (854248689089) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 828562714 + ... + 828563744.

It is an arithmetic number, because the mean of its divisors is an integer number (10073579040).

Almost surely, 2^854248689099 is an apocalyptic number.

854248689099 is a deficient number, since it is larger than the sum of its proper divisors (596346692661).

854248689099 is a wasteful number, since it uses less digits than its factorization.

854248689099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607 (or 1569 counting only the distinct ones).

The product of its (nonzero) digits is 358318080, while the sum is 72.

The spelling of 854248689099 in words is "eight hundred fifty-four billion, two hundred forty-eight million, six hundred eighty-nine thousand, ninety-nine".