8216708742 has 64 divisors (see below), whose sum is σ = 20192267520. Its totient is φ = 2455790400.

The previous prime is 8216708711. The next prime is 8216708743. The reversal of 8216708742 is 2478076128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8216708743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51384 + ... + 138107.

It is an arithmetic number, because the mean of its divisors is an integer number (315504180).

Almost surely, 2^8216708742 is an apocalyptic number.

8216708742 is an abundant number, since it is smaller than the sum of its proper divisors (11975558778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8216708742 is a wasteful number, since it uses less digits than its factorization.

8216708742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189586 (or 189580 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 8216708742 is about 90646.0630253736. The cubic root of 8216708742 is about 2017.8984075201.

The spelling of 8216708742 in words is "eight billion, two hundred sixteen million, seven hundred eight thousand, seven hundred forty-two".