620747577317764 has 48 divisors (see below), whose sum is σ = 1183971502631232. Its totient is φ = 283045595363712.

The previous prime is 620747577317689. The next prime is 620747577317767. The reversal of 620747577317764 is 467713775747026.

It is not an unprimeable number, because it can be changed into a prime (620747577317767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1627688007 + ... + 1628069329.

It is an arithmetic number, because the mean of its divisors is an integer number (24666072971484).

Almost surely, 2^{620747577317764} is an apocalyptic number.

It is an amenable number.

620747577317764 is a deficient number, since it is larger than the sum of its proper divisors (563223925313468).

620747577317764 is a wasteful number, since it uses less digits than its factorization.

620747577317764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758596 (or 758594 counting only the distinct ones).

The product of its (nonzero) digits is 2032974720, while the sum is 73.

The spelling of 620747577317764 in words is "six hundred twenty trillion, seven hundred forty-seven billion, five hundred seventy-seven million, three hundred seventeen thousand, seven hundred sixty-four".