866962052 has 12 divisors (see below), whose sum is σ = 1655109456. Its totient is φ = 394073640.

The previous prime is 866962049. The next prime is 866962081. The reversal of 866962052 is 250269668.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 19703683 = 866962052 / (8 + 6 + 6 + 9 + 6 + 2 + 0 + 5 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 866961994 and 866962012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9851798 + ... + 9851885.

It is an arithmetic number, because the mean of its divisors is an integer number (137925788).

Almost surely, 2^866962052 is an apocalyptic number.

It is an amenable number.

866962052 is a deficient number, since it is larger than the sum of its proper divisors (788147404).

866962052 is a wasteful number, since it uses less digits than its factorization.

866962052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19703698 (or 19703696 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 866962052 is about 29444.2193307956. The cubic root of 866962052 is about 953.5278074359.

The spelling of 866962052 in words is "eight hundred sixty-six million, nine hundred sixty-two thousand, fifty-two".