83854798240 has 48 divisors (see below), whose sum is σ = 199213771680. Its totient is φ = 33354522880.

The previous prime is 83854798217. The next prime is 83854798351. The reversal of 83854798240 is 4289745838.

It is a happy number.

It is a super-2 number, since 2×83854798240² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1435306 + ... + 1492585.

It is an arithmetic number, because the mean of its divisors is an integer number (4150286910).

Almost surely, 2^83854798240 is an apocalyptic number.

83854798240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

83854798240 is an abundant number, since it is smaller than the sum of its proper divisors (115358973440).

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

83854798240 is a wasteful number, since it uses less digits than its factorization.

83854798240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2928085 (or 2928077 counting only the distinct ones).

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

The spelling of 83854798240 in words is "eighty-three billion, eight hundred fifty-four million, seven hundred ninety-eight thousand, two hundred forty".