9771426948 has 12 divisors (see below), whose sum is σ = 22799996240. Its totient is φ = 3257142312.

The previous prime is 9771426919. The next prime is 9771426961. The reversal of 9771426948 is 8496241779.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407142778 + ... + 407142801.

Almost surely, 2^9771426948 is an apocalyptic number.

It is an amenable number.

9771426948 is an abundant number, since it is smaller than the sum of its proper divisors (13028569292).

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

9771426948 is a wasteful number, since it uses less digits than its factorization.

9771426948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814285586 (or 814285584 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 57.

The square root of 9771426948 is about 98850.5283142179. The cubic root of 9771426948 is about 2137.8931537141.

The spelling of 9771426948 in words is "nine billion, seven hundred seventy-one million, four hundred twenty-six thousand, nine hundred forty-eight".