84758442137 has 4 divisors (see below), whose sum is σ = 84769284480. Its totient is φ = 84747599796.

The previous prime is 84758442089. The next prime is 84758442151. The reversal of 84758442137 is 73124485748.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84758442137 - 2²² = 84754247833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84758442337) 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 3 ways as a sum of consecutive naturals, for example, 5409437 + ... + 5425082.

It is an arithmetic number, because the mean of its divisors is an integer number (21192321120).

Almost surely, 2^84758442137 is an apocalyptic number.

It is an amenable number.

84758442137 is a deficient number, since it is larger than the sum of its proper divisors (10842343).

84758442137 is a wasteful number, since it uses less digits than its factorization.

84758442137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10842342.

The product of its digits is 6021120, while the sum is 53.

The spelling of 84758442137 in words is "eighty-four billion, seven hundred fifty-eight million, four hundred forty-two thousand, one hundred thirty-seven".