7850744064 has 324 divisors, whose sum is σ = 24675290640. Its totient is φ = 2393763840.

The previous prime is 7850744063. The next prime is 7850744117. The reversal of 7850744064 is 4604470587.

It is not an unprimeable number, because it can be changed into a prime (7850744063) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 59929279 + ... + 59929409.

Almost surely, 2^7850744064 is an apocalyptic number.

7850744064 is a gapful number since it is divisible by the number (74) 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 7850744064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12337645320).

7850744064 is an abundant number, since it is smaller than the sum of its proper divisors (16824546576).

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

7850744064 is a wasteful number, since it uses less digits than its factorization.

7850744064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The square root of 7850744064 is about 88604.4246299247. The cubic root of 7850744064 is about 1987.4838416154.

The spelling of 7850744064 in words is "seven billion, eight hundred fifty million, seven hundred forty-four thousand, sixty-four".