84264678 has 16 divisors (see below), whose sum is σ = 187254960. Its totient is φ = 28088208.

The previous prime is 84264641. The next prime is 84264679. The reversal of 84264678 is 87646248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84264679) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 780175 + ... + 780282.

It is an arithmetic number, because the mean of its divisors is an integer number (11703435).

Almost surely, 2^84264678 is an apocalyptic number.

84264678 is an abundant number, since it is smaller than the sum of its proper divisors (102990282).

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

84264678 is a wasteful number, since it uses less digits than its factorization.

84264678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560468 (or 1560462 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 84264678 is about 9179.5794021295. The cubic root of 84264678 is about 438.4114167723.

It can be divided in two parts, 842646 and 78, that added together give a square (842724 = 918²).

The spelling of 84264678 in words is "eighty-four million, two hundred sixty-four thousand, six hundred seventy-eight".