84100630771 has 4 divisors (see below), whose sum is σ = 84256085344. Its totient is φ = 83945176200.

The previous prime is 84100630769. The next prime is 84100630799. The reversal of 84100630771 is 17703600148.

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

It is a cyclic number.

It is not a de Polignac number, because 84100630771 - 2¹ = 84100630769 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 84100630771.

It is not an unprimeable number, because it can be changed into a prime (84100690771) 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, 77726475 + ... + 77727556.

It is an arithmetic number, because the mean of its divisors is an integer number (21064021336).

Almost surely, 2^84100630771 is an apocalyptic number.

84100630771 is a deficient number, since it is larger than the sum of its proper divisors (155454573).

84100630771 is a wasteful number, since it uses less digits than its factorization.

84100630771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155454572.

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 84100630771 in words is "eighty-four billion, one hundred million, six hundred thirty thousand, seven hundred seventy-one".