84889487254 has 32 divisors (see below), whose sum is σ = 149928861600. Its totient is φ = 35538585600.

The previous prime is 84889487239. The next prime is 84889487303. The reversal of 84889487254 is 45278498848.

It is a self number, because there is not a number n which added to its sum of digits gives 84889487254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202117 + ... + 458944.

It is an arithmetic number, because the mean of its divisors is an integer number (4685276925).

Almost surely, 2^84889487254 is an apocalyptic number.

84889487254 is a deficient number, since it is larger than the sum of its proper divisors (65039374346).

84889487254 is a wasteful number, since it uses less digits than its factorization.

84889487254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661536.

The product of its digits is 165150720, while the sum is 67.

The spelling of 84889487254 in words is "eighty-four billion, eight hundred eighty-nine million, four hundred eighty-seven thousand, two hundred fifty-four".