9948097278 has 96 divisors (see below), whose sum is σ = 25620341760. Its totient is φ = 2730386880.

The previous prime is 9948097277. The next prime is 9948097283. The reversal of 9948097278 is 8727908499.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9948097277) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 354793 + ... + 381803.

It is an arithmetic number, because the mean of its divisors is an integer number (266878560).

Almost surely, 2^9948097278 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9948097278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12810170880).

9948097278 is an abundant number, since it is smaller than the sum of its proper divisors (15672244482).

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

9948097278 is a wasteful number, since it uses less digits than its factorization.

9948097278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27142 (or 27139 counting only the distinct ones).

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

The square root of 9948097278 is about 99740.1487767088. The cubic root of 9948097278 is about 2150.7008551959.

The spelling of 9948097278 in words is "nine billion, nine hundred forty-eight million, ninety-seven thousand, two hundred seventy-eight".