84607982 has 4 divisors (see below), whose sum is σ = 126911976. Its totient is φ = 42303990.

The previous prime is 84607979. The next prime is 84608059. The reversal of 84607982 is 28970648.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×84607982² = 14317021236224648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21151994 + ... + 21151997.

It is an arithmetic number, because the mean of its divisors is an integer number (31727994).

Almost surely, 2^84607982 is an apocalyptic number.

84607982 is a deficient number, since it is larger than the sum of its proper divisors (42303994).

84607982 is a wasteful number, since it uses less digits than its factorization.

84607982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42303993.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 84607982 is about 9198.2597267092. The cubic root of 84607982 is about 439.0059895786.

The spelling of 84607982 in words is "eighty-four million, six hundred seven thousand, nine hundred eighty-two".