84775977957748 has 24 divisors (see below), whose sum is σ = 184965770090304. Its totient is φ = 33029601801600.

The previous prime is 84775977957743. The next prime is 84775977957757.

84775977957748 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84775977957743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137623340533 + ... + 137623341148.

It is an arithmetic number, because the mean of its divisors is an integer number (7706907087096).

Almost surely, 2^{84775977957748} is an apocalyptic number.

It is an amenable number.

84775977957748 is an abundant number, since it is smaller than the sum of its proper divisors (100189792132556).

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

84775977957748 is a wasteful number, since it uses less digits than its factorization.

84775977957748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275246681703 (or 275246681701 counting only the distinct ones).

The product of its digits is 243956966400, while the sum is 94.

The spelling of 84775977957748 in words is "eighty-four trillion, seven hundred seventy-five billion, nine hundred seventy-seven million, nine hundred fifty-seven thousand, seven hundred forty-eight".