620627110654667 has 32 divisors (see below), whose sum is σ = 650595859759104. Its totient is φ = 591290911411200.

The previous prime is 620627110654651. The next prime is 620627110654717. The reversal of 620627110654667 is 766456011726026.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 620627110654667 - 2⁴ = 620627110654651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620627110624667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34294465763 + ... + 34294483859.

It is an arithmetic number, because the mean of its divisors is an integer number (20331120617472).

Almost surely, 2^{620627110654667} is an apocalyptic number.

620627110654667 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

620627110654667 is a deficient number, since it is larger than the sum of its proper divisors (29968749104437).

620627110654667 is a wasteful number, since it uses less digits than its factorization.

620627110654667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27099.

The product of its (nonzero) digits is 30481920, while the sum is 59.

The spelling of 620627110654667 in words is "six hundred twenty trillion, six hundred twenty-seven billion, one hundred ten million, six hundred fifty-four thousand, six hundred sixty-seven".