9897022950 has 48 divisors (see below), whose sum is σ = 24561719616. Its totient is φ = 2637367200.

The previous prime is 9897022939. The next prime is 9897022951. The reversal of 9897022950 is 592207989.

It is a junction number, because it is equal to n+sod(n) for n = 9897022893 and 9897022902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9897022951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200205 + ... + 244695.

It is an arithmetic number, because the mean of its divisors is an integer number (511702492).

Almost surely, 2^9897022950 is an apocalyptic number.

9897022950 is an abundant number, since it is smaller than the sum of its proper divisors (14664696666).

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

9897022950 is a wasteful number, since it uses less digits than its factorization.

9897022950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45989 (or 45984 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 9897022950 is about 99483.7823466720. The cubic root of 9897022950 is about 2147.0139148283.

The spelling of 9897022950 in words is "nine billion, eight hundred ninety-seven million, twenty-two thousand, nine hundred fifty".