84402508144 has 10 divisors (see below), whose sum is σ = 163529859560. Its totient is φ = 42201254064.

The previous prime is 84402508139. The next prime is 84402508147. The reversal of 84402508144 is 44180520448.

It is a junction number, because it is equal to n+sod(n) for n = 84402508097 and 84402508106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84402508147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2637578364 + ... + 2637578395.

It is an arithmetic number, because the mean of its divisors is an integer number (16352985956).

Almost surely, 2^84402508144 is an apocalyptic number.

It is an amenable number.

84402508144 is a deficient number, since it is larger than the sum of its proper divisors (79127351416).

84402508144 is a wasteful number, since it uses less digits than its factorization.

84402508144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5275156767 (or 5275156761 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 40.

The spelling of 84402508144 in words is "eighty-four billion, four hundred two million, five hundred eight thousand, one hundred forty-four".