956857960890 has 192 divisors, whose sum is σ = 2896437398400. Its totient is φ = 217106790912.

The previous prime is 956857960879. The next prime is 956857960907. The reversal of 956857960890 is 98069758659.

956857960890 is a `hidden beast` number, since 9 + 5 + 6 + 8 + 5 + 7 + 9 + 608 + 9 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 240841 + ... + 1404179.

It is an arithmetic number, because the mean of its divisors is an integer number (15085611450).

Almost surely, 2^956857960890 is an apocalyptic number.

956857960890 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 956857960890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1448218699200).

956857960890 is an abundant number, since it is smaller than the sum of its proper divisors (1939579437510).

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

956857960890 is a wasteful number, since it uses less digits than its factorization.

956857960890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163421 (or 1163418 counting only the distinct ones).

The product of its (nonzero) digits is 293932800, while the sum is 72.

The spelling of 956857960890 in words is "nine hundred fifty-six billion, eight hundred fifty-seven million, nine hundred sixty thousand, eight hundred ninety".