84521607076 has 27 divisors (see below), whose sum is σ = 150440494113. Its totient is φ = 41550559920.

The previous prime is 84521607031. The next prime is 84521607077. The reversal of 84521607076 is 67070612548.

It is a happy number.

The square root of 84521607076 is 290726.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2748485476 + 81773121600 = 52426^2 + 285960^2 .

It is a super-3 number, since 3×84521607076³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84521607077) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 35467381 + ... + 35469763.

Almost surely, 2^84521607076 is an apocalyptic number.

84521607076 is the 290726-th square number.

It is an amenable number.

84521607076 is a deficient number, since it is larger than the sum of its proper divisors (65918887037).

84521607076 is an frugal number, since it uses more digits than its factorization.

84521607076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4892 (or 2446 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 84521607076 in words is "eighty-four billion, five hundred twenty-one million, six hundred seven thousand, seventy-six".