82866042 has 48 divisors (see below), whose sum is σ = 205770240. Its totient is φ = 23609376.

The previous prime is 82866037. The next prime is 82866059. The reversal of 82866042 is 24066828.

It is a junction number, because it is equal to n+sod(n) for n = 82865988 and 82866006.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59668 + ... + 61040.

It is an arithmetic number, because the mean of its divisors is an integer number (4286880).

Almost surely, 2^82866042 is an apocalyptic number.

82866042 is an abundant number, since it is smaller than the sum of its proper divisors (122904198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82866042 is a wasteful number, since it uses less digits than its factorization.

82866042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867 (or 1864 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 82866042 is about 9103.0787099750. The cubic root of 82866042 is about 435.9722683874.

The spelling of 82866042 in words is "eighty-two million, eight hundred sixty-six thousand, forty-two".