8399837376 has 672 divisors, whose sum is σ = 31242731520. Its totient is φ = 2183500800.

The previous prime is 8399837363. The next prime is 8399837387. The reversal of 8399837376 is 6737389938.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 64120831 + ... + 64120961.

It is an arithmetic number, because the mean of its divisors is an integer number (46492160).

Almost surely, 2^8399837376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8399837376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15621365760).

8399837376 is an abundant number, since it is smaller than the sum of its proper divisors (22842894144).

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

8399837376 is a wasteful number, since it uses less digits than its factorization.

8399837376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 193 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 63.

The square root of 8399837376 is about 91650.6267081682. The cubic root of 8399837376 is about 2032.7795952561.

The spelling of 8399837376 in words is "eight billion, three hundred ninety-nine million, eight hundred thirty-seven thousand, three hundred seventy-six".