7447220620355 has 8 divisors (see below), whose sum is σ = 9325215385632. Its totient is φ = 5698742735488.

The previous prime is 7447220620321. The next prime is 7447220620429. The reversal of 7447220620355 is 5530260227447.

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

It is a cyclic number.

It is not a de Polignac number, because 7447220620355 - 2³⁰ = 7446146878531 is a prime.

It is a super-2 number, since 2×7447220620355² (a number of 27 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 7 ways as a sum of consecutive naturals, for example, 32379219974 + ... + 32379220203.

It is an arithmetic number, because the mean of its divisors is an integer number (1165651923204).

Almost surely, 2^{7447220620355} is an apocalyptic number.

7447220620355 is a deficient number, since it is larger than the sum of its proper divisors (1877994765277).

7447220620355 is a wasteful number, since it uses less digits than its factorization.

7447220620355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64758440205.

The product of its (nonzero) digits is 2822400, while the sum is 47.

The spelling of 7447220620355 in words is "seven trillion, four hundred forty-seven billion, two hundred twenty million, six hundred twenty thousand, three hundred fifty-five".