84978614 has 32 divisors (see below), whose sum is σ = 154923840. Its totient is φ = 34126848.

The previous prime is 84978611. The next prime is 84978653. The reversal of 84978614 is 41687948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84978611) 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 15 ways as a sum of consecutive naturals, for example, 65282 + ... + 66570.

It is an arithmetic number, because the mean of its divisors is an integer number (4841370).

Almost surely, 2^84978614 is an apocalyptic number.

84978614 is a deficient number, since it is larger than the sum of its proper divisors (69945226).

84978614 is a wasteful number, since it uses less digits than its factorization.

84978614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592.

The product of its digits is 387072, while the sum is 47.

The square root of 84978614 is about 9218.3845656384. The cubic root of 84978614 is about 439.6460893780.

The spelling of 84978614 in words is "eighty-four million, nine hundred seventy-eight thousand, six hundred fourteen".