620442361577 has 8 divisors (see below), whose sum is σ = 620689037760. Its totient is φ = 620195743440.

The previous prime is 620442361571. The next prime is 620442361589. The reversal of 620442361577 is 775163244026.

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 620442361577 - 2²⁸ = 620173926121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620442361571) 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, 38550302 + ... + 38566392.

It is an arithmetic number, because the mean of its divisors is an integer number (77586129720).

Almost surely, 2^620442361577 is an apocalyptic number.

It is an amenable number.

620442361577 is a deficient number, since it is larger than the sum of its proper divisors (246676183).

620442361577 is a wasteful number, since it uses less digits than its factorization.

620442361577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29023.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 620442361577 in words is "six hundred twenty billion, four hundred forty-two million, three hundred sixty-one thousand, five hundred seventy-seven".