84108487375 has 32 divisors (see below), whose sum is σ = 114659468352. Its totient is φ = 61089904000.

The previous prime is 84108487373. The next prime is 84108487381. The reversal of 84108487375 is 57378480148.

It is not a de Polignac number, because 84108487375 - 2¹ = 84108487373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84108487373) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1023309 + ... + 1102441.

It is an arithmetic number, because the mean of its divisors is an integer number (3583108386).

Almost surely, 2^84108487375 is an apocalyptic number.

84108487375 is a deficient number, since it is larger than the sum of its proper divisors (30550980977).

84108487375 is a wasteful number, since it uses less digits than its factorization.

84108487375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79932 (or 79922 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 55.

The spelling of 84108487375 in words is "eighty-four billion, one hundred eight million, four hundred eighty-seven thousand, three hundred seventy-five".