84622640406 has 16 divisors (see below), whose sum is σ = 169441403904. Its totient is φ = 28174859624.

The previous prime is 84622640353. The next prime is 84622640413. The reversal of 84622640406 is 60404622648.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8166186 + ... + 8176541.

It is an arithmetic number, because the mean of its divisors is an integer number (10590087744).

Almost surely, 2^84622640406 is an apocalyptic number.

84622640406 is an abundant number, since it is smaller than the sum of its proper divisors (84818763498).

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

84622640406 is a wasteful number, since it uses less digits than its factorization.

84622640406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16343595.

The product of its (nonzero) digits is 442368, while the sum is 42.

The spelling of 84622640406 in words is "eighty-four billion, six hundred twenty-two million, six hundred forty thousand, four hundred six".