866772482 has 16 divisors (see below), whose sum is σ = 1307033592. Its totient is φ = 431101440.

The previous prime is 866772461. The next prime is 866772541. The reversal of 866772482 is 284277668.

It is a Cunningham number, because it is equal to 29441²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 580858201 + 285914281 = 24101^2 + 16909^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 866772482.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332978 + ... + 335570.

Almost surely, 2^866772482 is an apocalyptic number.

866772482 is a deficient number, since it is larger than the sum of its proper divisors (440261110).

866772482 is a wasteful number, since it uses less digits than its factorization.

866772482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413.

The product of its digits is 1806336, while the sum is 50.

The square root of 866772482 is about 29441.0000169831. Note that the first 4 decimals coincide. The cubic root of 866772482 is about 953.4583028778.

The spelling of 866772482 in words is "eight hundred sixty-six million, seven hundred seventy-two thousand, four hundred eighty-two".