971903357880 has 256 divisors, whose sum is σ = 3595777920000. Its totient is φ = 204648837120.

The previous prime is 971903357863. The next prime is 971903357899. The reversal of 971903357880 is 88753309179.

971903357880 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×971903357880² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5359900 + ... + 5538260.

It is an arithmetic number, because the mean of its divisors is an integer number (14046007500).

Almost surely, 2^971903357880 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 971903357880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1797888960000).

971903357880 is an abundant number, since it is smaller than the sum of its proper divisors (2623874562120).

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

971903357880 is a wasteful number, since it uses less digits than its factorization.

971903357880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178894 (or 178890 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 60.

The spelling of 971903357880 in words is "nine hundred seventy-one billion, nine hundred three million, three hundred fifty-seven thousand, eight hundred eighty".