7890849792 has 208 divisors, whose sum is σ = 26719697280. Its totient is φ = 2254307328.

The previous prime is 7890849779. The next prime is 7890849823. The reversal of 7890849792 is 2979480987.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 769048 + ... + 779240.

Almost surely, 2^7890849792 is an apocalyptic number.

7890849792 is a gapful number since it is divisible by the number (72) 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 7890849792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13359848640).

7890849792 is an abundant number, since it is smaller than the sum of its proper divisors (18828847488).

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

7890849792 is a wasteful number, since it uses less digits than its factorization.

7890849792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10233 (or 10205 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 63.

The square root of 7890849792 is about 88830.4553179820. The cubic root of 7890849792 is about 1990.8624656441.

The spelling of 7890849792 in words is "seven billion, eight hundred ninety million, eight hundred forty-nine thousand, seven hundred ninety-two".