971769948 has 12 divisors (see below), whose sum is σ = 2267463240. Its totient is φ = 323923312.

The previous prime is 971769947. The next prime is 971770001. The reversal of 971769948 is 849967179.

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

It is a junction number, because it is equal to n+sod(n) for n = 971769891 and 971769900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971769947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40490403 + ... + 40490426.

It is an arithmetic number, because the mean of its divisors is an integer number (188955270).

Almost surely, 2^971769948 is an apocalyptic number.

It is an amenable number.

971769948 is an abundant number, since it is smaller than the sum of its proper divisors (1295693292).

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

971769948 is a wasteful number, since it uses less digits than its factorization.

971769948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80980836 (or 80980834 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 60.

The square root of 971769948 is about 31173.2248572393. The cubic root of 971769948 is about 990.5000188141.

The spelling of 971769948 in words is "nine hundred seventy-one million, seven hundred sixty-nine thousand, nine hundred forty-eight".