82969255945474 has 32 divisors (see below), whose sum is σ = 133692180153840. Its totient is φ = 38541889612800.

The previous prime is 82969255945451. The next prime is 82969255945489. The reversal of 82969255945474 is 47454955296928.

It can be written as a sum of positive squares in 8 ways, for example, as 29571789620025 + 53397466325449 = 5437995^2 + 7307357^2 .

It is a super-2 number, since 2×82969255945474² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82969255945394 and 82969255945403.

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, 238801417 + ... + 239148604.

Almost surely, 2^{82969255945474} is an apocalyptic number.

82969255945474 is a deficient number, since it is larger than the sum of its proper divisors (50722924208366).

82969255945474 is a wasteful number, since it uses less digits than its factorization.

82969255945474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477950166.

The product of its digits is 7838208000, while the sum is 79.

The spelling of 82969255945474 in words is "eighty-two trillion, nine hundred sixty-nine billion, two hundred fifty-five million, nine hundred forty-five thousand, four hundred seventy-four".