84242740516 has 81 divisors (see below), whose sum is σ = 165111264507. Its totient is φ = 37581052080.

The previous prime is 84242740489. The next prime is 84242740541. The reversal of 84242740516 is 61504724248.

The square root of 84242740516 is 290246.

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

It is a super-2 number, since 2×84242740516² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 504447465 + ... + 504447631.

Almost surely, 2^84242740516 is an apocalyptic number.

84242740516 is the 290246-th square number.

It is an amenable number.

84242740516 is a deficient number, since it is larger than the sum of its proper divisors (80868523991).

84242740516 is a wasteful number, since it uses less digits than its factorization.

84242740516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 43.

The spelling of 84242740516 in words is "eighty-four billion, two hundred forty-two million, seven hundred forty thousand, five hundred sixteen".