8542620622 has 16 divisors (see below), whose sum is σ = 12839731200. Its totient is φ = 4262720920.

The previous prime is 8542620607. The next prime is 8542620623. The reversal of 8542620622 is 2260262458.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8542620623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2965779 + ... + 2968657.

It is an arithmetic number, because the mean of its divisors is an integer number (802483200).

Almost surely, 2^8542620622 is an apocalyptic number.

8542620622 is a deficient number, since it is larger than the sum of its proper divisors (4297110578).

8542620622 is a wasteful number, since it uses less digits than its factorization.

8542620622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5351.

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 8542620622 is about 92426.2983246652. The cubic root of 8542620622 is about 2044.2328985235.

The spelling of 8542620622 in words is "eight billion, five hundred forty-two million, six hundred twenty thousand, six hundred twenty-two".