84777171148 has 6 divisors (see below), whose sum is σ = 148360049516. Its totient is φ = 42388585572.

The previous prime is 84777171097. The next prime is 84777171161. The reversal of 84777171148 is 84117177748.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10597146390 + ... + 10597146397.

Almost surely, 2^84777171148 is an apocalyptic number.

It is an amenable number.

84777171148 is a deficient number, since it is larger than the sum of its proper divisors (63582878368).

84777171148 is a wasteful number, since it uses less digits than its factorization.

84777171148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21194292791 (or 21194292789 counting only the distinct ones).

The product of its digits is 2458624, while the sum is 55.

The spelling of 84777171148 in words is "eighty-four billion, seven hundred seventy-seven million, one hundred seventy-one thousand, one hundred forty-eight".