84453873550 has 24 divisors (see below), whose sum is σ = 157371429816. Its totient is φ = 33719780640.

The previous prime is 84453873529. The next prime is 84453873557. The reversal of 84453873550 is 5537835448.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84453873557) 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 11 ways as a sum of consecutive naturals, for example, 1516597 + ... + 1571296.

It is an arithmetic number, because the mean of its divisors is an integer number (6557142909).

Almost surely, 2^84453873550 is an apocalyptic number.

84453873550 is a deficient number, since it is larger than the sum of its proper divisors (72917556266).

84453873550 is a wasteful number, since it uses less digits than its factorization.

84453873550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3088452 (or 3088447 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 52.

The spelling of 84453873550 in words is "eighty-four billion, four hundred fifty-three million, eight hundred seventy-three thousand, five hundred fifty".