84773825534 has 4 divisors (see below), whose sum is σ = 127160738304. Its totient is φ = 42386912766.

The previous prime is 84773825519. The next prime is 84773825573. The reversal of 84773825534 is 43552837748.

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

It is a self number, because there is not a number n which added to its sum of digits gives 84773825534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21193456382 + ... + 21193456385.

It is an arithmetic number, because the mean of its divisors is an integer number (31790184576).

Almost surely, 2^84773825534 is an apocalyptic number.

84773825534 is a deficient number, since it is larger than the sum of its proper divisors (42386912770).

84773825534 is a wasteful number, since it uses less digits than its factorization.

84773825534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42386912769.

The product of its digits is 22579200, while the sum is 56.

The spelling of 84773825534 in words is "eighty-four billion, seven hundred seventy-three million, eight hundred twenty-five thousand, five hundred thirty-four".