82967870 has 16 divisors (see below), whose sum is σ = 157202640. Its totient is φ = 31440384.

The previous prime is 82967867. The next prime is 82967897. The reversal of 82967870 is 7876928.

It is a Curzon number.

It is a congruent number.

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, 218147 + ... + 218526.

It is an arithmetic number, because the mean of its divisors is an integer number (9825165).

Almost surely, 2^82967870 is an apocalyptic number.

82967870 is a deficient number, since it is larger than the sum of its proper divisors (74234770).

82967870 is a wasteful number, since it uses less digits than its factorization.

82967870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436699.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 82967870 is about 9108.6700456214. The cubic root of 82967870 is about 436.1507734027.

The spelling of 82967870 in words is "eighty-two million, nine hundred sixty-seven thousand, eight hundred seventy".