84774247748 has 6 divisors (see below), whose sum is σ = 148354933566. Its totient is φ = 42387123872.

The previous prime is 84774247729. The next prime is 84774247759.

It is a happy number.

84774247748 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 77541085444 + 7233162304 = 278462^2 + 85048^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10596780965 + ... + 10596780972.

It is an arithmetic number, because the mean of its divisors is an integer number (24725822261).

Almost surely, 2^84774247748 is an apocalyptic number.

It is an amenable number.

84774247748 is a deficient number, since it is larger than the sum of its proper divisors (63580685818).

84774247748 is a wasteful number, since it uses less digits than its factorization.

84774247748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21193561941 (or 21193561939 counting only the distinct ones).

The product of its digits is 78675968, while the sum is 62.

The spelling of 84774247748 in words is "eighty-four billion, seven hundred seventy-four million, two hundred forty-seven thousand, seven hundred forty-eight".