894687682664 has 32 divisors (see below), whose sum is σ = 1683947681280. Its totient is φ = 445635645504.

The previous prime is 894687682663. The next prime is 894687682709. The reversal of 894687682664 is 466286786498.

It is a super-2 number, since 2×894687682664² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (74) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 894687682591 and 894687682600.

It is not an unprimeable number, because it can be changed into a prime (894687682663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11233109 + ... + 11312475.

It is an arithmetic number, because the mean of its divisors is an integer number (52623365040).

Almost surely, 2^894687682664 is an apocalyptic number.

It is an amenable number.

894687682664 is a deficient number, since it is larger than the sum of its proper divisors (789259998616).

894687682664 is a wasteful number, since it uses less digits than its factorization.

894687682664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84737 (or 84733 counting only the distinct ones).

The product of its digits is 1337720832, while the sum is 74.

The spelling of 894687682664 in words is "eight hundred ninety-four billion, six hundred eighty-seven million, six hundred eighty-two thousand, six hundred sixty-four".