84438472870 has 8 divisors (see below), whose sum is σ = 151989251184. Its totient is φ = 33775389144.

The previous prime is 84438472837. The next prime is 84438472903. The reversal of 84438472870 is 7827483448.

It is an interprime number because it is at equal distance from previous prime (84438472837) and next prime (84438472903).

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 4221923634 + ... + 4221923653.

It is an arithmetic number, because the mean of its divisors is an integer number (18998656398).

Almost surely, 2^84438472870 is an apocalyptic number.

84438472870 is a deficient number, since it is larger than the sum of its proper divisors (67550778314).

84438472870 is a wasteful number, since it uses less digits than its factorization.

84438472870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8443847294.

The product of its (nonzero) digits is 9633792, while the sum is 55.

The spelling of 84438472870 in words is "eighty-four billion, four hundred thirty-eight million, four hundred seventy-two thousand, eight hundred seventy".