966487890 has 32 divisors (see below), whose sum is σ = 2321649216. Its totient is φ = 257499200.

The previous prime is 966487871. The next prime is 966487919. The reversal of 966487890 is 98784669.

It is a self number, because there is not a number n which added to its sum of digits gives 966487890.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21040 + ... + 48740.

It is an arithmetic number, because the mean of its divisors is an integer number (72551538).

Almost surely, 2^966487890 is an apocalyptic number.

966487890 is an abundant number, since it is smaller than the sum of its proper divisors (1355161326).

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

966487890 is a wasteful number, since it uses less digits than its factorization.

966487890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28874.

The product of its (nonzero) digits is 5225472, while the sum is 57.

The square root of 966487890 is about 31088.3883467767. The cubic root of 966487890 is about 988.7021356201.

The spelling of 966487890 in words is "nine hundred sixty-six million, four hundred eighty-seven thousand, eight hundred ninety".