84267669387 has 32 divisors (see below), whose sum is σ = 126835188480. Its totient is φ = 49295675520.

The previous prime is 84267669379. The next prime is 84267669389. The reversal of 84267669387 is 78396676248.

It is not a de Polignac number, because 84267669387 - 2³ = 84267669379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84267669389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3819873 + ... + 3841869.

It is an arithmetic number, because the mean of its divisors is an integer number (3963599640).

Almost surely, 2^84267669387 is an apocalyptic number.

84267669387 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

84267669387 is a deficient number, since it is larger than the sum of its proper divisors (42567519093).

84267669387 is a wasteful number, since it uses less digits than its factorization.

84267669387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26043.

The product of its digits is 146313216, while the sum is 66.

The spelling of 84267669387 in words is "eighty-four billion, two hundred sixty-seven million, six hundred sixty-nine thousand, three hundred eighty-seven".