963271980 has 192 divisors, whose sum is σ = 3287208960. Its totient is φ = 232243200.

The previous prime is 963271961. The next prime is 963272099. The reversal of 963271980 is 89172369.

963271980 is a `hidden beast` number, since 9 + 632 + 7 + 1 + 9 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 1526265 + ... + 1526895.

It is an arithmetic number, because the mean of its divisors is an integer number (17120880).

Almost surely, 2^963271980 is an apocalyptic number.

963271980 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 963271980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1643604480).

963271980 is an abundant number, since it is smaller than the sum of its proper divisors (2323936980).

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

963271980 is a wasteful number, since it uses less digits than its factorization.

963271980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917 (or 909 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 963271980 is about 31036.6232054971. The cubic root of 963271980 is about 987.6043083749.

The spelling of 963271980 in words is "nine hundred sixty-three million, two hundred seventy-one thousand, nine hundred eighty".