685243200576 has 224 divisors, whose sum is σ = 2025793069056. Its totient is φ = 202658560000.

The previous prime is 685243200553. The next prime is 685243200613. The reversal of 685243200576 is 675002342586.

685243200576 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×685243200576³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21363751 + ... + 21395801.

Almost surely, 2^685243200576 is an apocalyptic number.

685243200576 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 685243200576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1012896534528).

685243200576 is an abundant number, since it is smaller than the sum of its proper divisors (1340549868480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

685243200576 is a wasteful number, since it uses less digits than its factorization.

685243200576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32321 (or 32311 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 685243200576 in words is "six hundred eighty-five billion, two hundred forty-three million, two hundred thousand, five hundred seventy-six".