2857624478066 has 8 divisors (see below), whose sum is σ = 4286444043504. Its totient is φ = 1428809796900.

The previous prime is 2857624478063. The next prime is 2857624478069. The reversal of 2857624478066 is 6608744267582.

It is an interprime number because it is at equal distance from previous prime (2857624478063) and next prime (2857624478069).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2857624477993 and 2857624478011.

It is not an unprimeable number, because it can be changed into a prime (2857624478063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1208141 + ... + 2678591.

It is an arithmetic number, because the mean of its divisors is an integer number (535805505438).

Almost surely, 2^{2857624478066} is an apocalyptic number.

2857624478066 is a deficient number, since it is larger than the sum of its proper divisors (1428819565438).

2857624478066 is a wasteful number, since it uses less digits than its factorization.

2857624478066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442136.

The product of its (nonzero) digits is 216760320, while the sum is 65.

The spelling of 2857624478066 in words is "two trillion, eight hundred fifty-seven billion, six hundred twenty-four million, four hundred seventy-eight thousand, sixty-six".