620247734372875 has 16 divisors (see below), whose sum is σ = 884650482855360. Its totient is φ = 425312732140800.

The previous prime is 620247734372867. The next prime is 620247734372897. The reversal of 620247734372875 is 578273437742026.

It is a happy number.

It is not a de Polignac number, because 620247734372875 - 2³ = 620247734372867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 620247734372875.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354427275910 + ... + 354427277659.

It is an arithmetic number, because the mean of its divisors is an integer number (55290655178460).

Almost surely, 2^{620247734372875} is an apocalyptic number.

620247734372875 is a deficient number, since it is larger than the sum of its proper divisors (264402748482485).

620247734372875 is an equidigital number, since it uses as much as digits as its factorization.

620247734372875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708854553591 (or 708854553581 counting only the distinct ones).

The product of its (nonzero) digits is 663828480, while the sum is 67.

The spelling of 620247734372875 in words is "six hundred twenty trillion, two hundred forty-seven billion, seven hundred thirty-four million, three hundred seventy-two thousand, eight hundred seventy-five".