84427107437 has 4 divisors (see below), whose sum is σ = 84427994556. Its totient is φ = 84426220320.

The previous prime is 84427107431. The next prime is 84427107473. The reversal of 84427107437 is 73470172448.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 24905258596 + 59521848841 = 157814^2 + 243971^2 .

It is a cyclic number.

It is not a de Polignac number, because 84427107437 - 2⁴ = 84427107421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84427107391 and 84427107400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84427107431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280928 + ... + 497769.

It is an arithmetic number, because the mean of its divisors is an integer number (21106998639).

Almost surely, 2^84427107437 is an apocalyptic number.

It is an amenable number.

84427107437 is a deficient number, since it is larger than the sum of its proper divisors (887119).

84427107437 is a wasteful number, since it uses less digits than its factorization.

84427107437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887118.

The product of its (nonzero) digits is 1053696, while the sum is 47.

The spelling of 84427107437 in words is "eighty-four billion, four hundred twenty-seven million, one hundred seven thousand, four hundred thirty-seven".