9948817955 has 16 divisors (see below), whose sum is σ = 11995214400. Its totient is φ = 7921385472.

The previous prime is 9948817951. The next prime is 9948817961. The reversal of 9948817955 is 5597188499.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 9948817955 - 2² = 9948817951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9948817891 and 9948817900.

It is not an unprimeable number, because it can be changed into a prime (9948817951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1004387 + ... + 1014243.

It is an arithmetic number, because the mean of its divisors is an integer number (749700900).

Almost surely, 2^9948817955 is an apocalyptic number.

9948817955 is a deficient number, since it is larger than the sum of its proper divisors (2046396445).

9948817955 is a wasteful number, since it uses less digits than its factorization.

9948817955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10798.

The product of its digits is 32659200, while the sum is 65.

The square root of 9948817955 is about 99743.7614841149. The cubic root of 9948817955 is about 2150.7527888528.

The spelling of 9948817955 in words is "nine billion, nine hundred forty-eight million, eight hundred seventeen thousand, nine hundred fifty-five".