84277929898 has 16 divisors (see below), whose sum is σ = 126888771240. Its totient is φ = 41981765056.

The previous prime is 84277929847. The next prime is 84277929919. The reversal of 84277929898 is 89892977248.

It can be written as a sum of positive squares in 4 ways, for example, as 59164238169 + 25113691729 = 243237^2 + 158473^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 84277929898.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1964736 + ... + 2007172.

Almost surely, 2^84277929898 is an apocalyptic number.

84277929898 is a deficient number, since it is larger than the sum of its proper divisors (42610841342).

84277929898 is a wasteful number, since it uses less digits than its factorization.

84277929898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46121.

The product of its digits is 292626432, while the sum is 73.

The spelling of 84277929898 in words is "eighty-four billion, two hundred seventy-seven million, nine hundred twenty-nine thousand, eight hundred ninety-eight".