866802454 has 24 divisors (see below), whose sum is σ = 1514137968. Its totient is φ = 371080080.

The previous prime is 866802407. The next prime is 866802463. The reversal of 866802454 is 454208668.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 866802454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95727 + ... + 104389.

It is an arithmetic number, because the mean of its divisors is an integer number (63089082).

Almost surely, 2^866802454 is an apocalyptic number.

866802454 is a deficient number, since it is larger than the sum of its proper divisors (647335514).

866802454 is a wasteful number, since it uses less digits than its factorization.

866802454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9700 (or 9693 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 43.

The square root of 866802454 is about 29441.5090306187. The cubic root of 866802454 is about 953.4692925833.

The spelling of 866802454 in words is "eight hundred sixty-six million, eight hundred two thousand, four hundred fifty-four".