7642202338857 has 8 divisors (see below), whose sum is σ = 10189654048576. Its totient is φ = 5094776094192.

The previous prime is 7642202338817. The next prime is 7642202338871. The reversal of 7642202338857 is 7588332022467.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7642202338857 - 2³⁵ = 7607842600489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7642202338797 and 7642202338806.

It is not an unprimeable number, because it can be changed into a prime (7642202338807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5654653 + ... + 6874554.

It is an arithmetic number, because the mean of its divisors is an integer number (1273706756072).

Almost surely, 2^{7642202338857} is an apocalyptic number.

It is an amenable number.

7642202338857 is a deficient number, since it is larger than the sum of its proper divisors (2547451709719).

7642202338857 is a wasteful number, since it uses less digits than its factorization.

7642202338857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12732527.

The product of its (nonzero) digits is 27095040, while the sum is 57.

The spelling of 7642202338857 in words is "seven trillion, six hundred forty-two billion, two hundred two million, three hundred thirty-eight thousand, eight hundred fifty-seven".