971077932 has 144 divisors (see below), whose sum is σ = 2759702400. Its totient is φ = 285415680.

The previous prime is 971077909. The next prime is 971077957. The reversal of 971077932 is 239770179.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2079163 + ... + 2079629.

It is an arithmetic number, because the mean of its divisors is an integer number (19164600).

Almost surely, 2^971077932 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 971077932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1379851200).

971077932 is an abundant number, since it is smaller than the sum of its proper divisors (1788624468).

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

971077932 is a wasteful number, since it uses less digits than its factorization.

971077932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 166698, while the sum is 45.

The square root of 971077932 is about 31162.1233551246. The cubic root of 971077932 is about 990.2648449672.

The spelling of 971077932 in words is "nine hundred seventy-one million, seventy-seven thousand, nine hundred thirty-two".