84527877751 has 4 divisors (see below), whose sum is σ = 89500105872. Its totient is φ = 79555649632.

The previous prime is 84527877743. The next prime is 84527877761. The reversal of 84527877751 is 15777872548.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 84527877751 - 2³ = 84527877743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84527877751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84527877761) 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 3 ways as a sum of consecutive naturals, for example, 2486114035 + ... + 2486114068.

It is an arithmetic number, because the mean of its divisors is an integer number (22375026468).

Almost surely, 2^84527877751 is an apocalyptic number.

84527877751 is a deficient number, since it is larger than the sum of its proper divisors (4972228121).

84527877751 is a wasteful number, since it uses less digits than its factorization.

84527877751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972228120.

The product of its digits is 30732800, while the sum is 61.

The spelling of 84527877751 in words is "eighty-four billion, five hundred twenty-seven million, eight hundred seventy-seven thousand, seven hundred fifty-one".