84797766779748 has 48 divisors (see below), whose sum is σ = 215885565618240. Its totient is φ = 25691923353600.

The previous prime is 84797766779717. The next prime is 84797766779809.

84797766779748 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×84797766779748² (a number of 29 digits) contains 22 as substring.

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, 53840893 + ... + 55393476.

It is an arithmetic number, because the mean of its divisors is an integer number (4497615950380).

Almost surely, 2^{84797766779748} is an apocalyptic number.

It is an amenable number.

84797766779748 is an abundant number, since it is smaller than the sum of its proper divisors (131087798838492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84797766779748 is a wasteful number, since it uses less digits than its factorization.

84797766779748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109240268 (or 109240266 counting only the distinct ones).

The product of its digits is 351298031616, while the sum is 96.

The spelling of 84797766779748 in words is "eighty-four trillion, seven hundred ninety-seven billion, seven hundred sixty-six million, seven hundred seventy-nine thousand, seven hundred forty-eight".