620858071975 has 12 divisors (see below), whose sum is σ = 771431975640. Its totient is φ = 495674866400.

The previous prime is 620858071963. The next prime is 620858071987. The reversal of 620858071975 is 579170858026.

It is an interprime number because it is at equal distance from previous prime (620858071963) and next prime (620858071987).

It is not a de Polignac number, because 620858071975 - 2¹³ = 620858063783 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25277260 + ... + 25301809.

It is an arithmetic number, because the mean of its divisors is an integer number (64285997970).

Almost surely, 2^620858071975 is an apocalyptic number.

620858071975 is a deficient number, since it is larger than the sum of its proper divisors (150573903665).

620858071975 is a wasteful number, since it uses less digits than its factorization.

620858071975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50579570 (or 50579565 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 58.

The spelling of 620858071975 in words is "six hundred twenty billion, eight hundred fifty-eight million, seventy-one thousand, nine hundred seventy-five".