84756670528 has 14 divisors (see below), whose sum is σ = 168189018206. Its totient is φ = 42378335232.

The previous prime is 84756670477. The next prime is 84756670529. The reversal of 84756670528 is 82507665748.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 50549428224 + 34207242304 = 224832^2 + 184952^2 .

It is not an unprimeable number, because it can be changed into a prime (84756670529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662161425 + ... + 662161552.

Almost surely, 2^84756670528 is an apocalyptic number.

It is an amenable number.

84756670528 is a deficient number, since it is larger than the sum of its proper divisors (83432347678).

84756670528 is a wasteful number, since it uses less digits than its factorization.

84756670528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324322989 (or 1324322979 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 58.

The spelling of 84756670528 in words is "eighty-four billion, seven hundred fifty-six million, six hundred seventy thousand, five hundred twenty-eight".