620677605 has 16 divisors (see below), whose sum is σ = 993597120. Its totient is φ = 330857088.

The previous prime is 620677597. The next prime is 620677619. The reversal of 620677605 is 506776026.

It is not a de Polignac number, because 620677605 - 2³ = 620677597 is a prime.

It is a congruent number.

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, 22686 + ... + 41904.

It is an arithmetic number, because the mean of its divisors is an integer number (62099820).

Almost surely, 2^620677605 is an apocalyptic number.

It is an amenable number.

620677605 is a deficient number, since it is larger than the sum of its proper divisors (372919515).

620677605 is a wasteful number, since it uses less digits than its factorization.

620677605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21380.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 620677605 is about 24913.4021161302. The cubic root of 620677605 is about 853.0124277392.

The spelling of 620677605 in words is "six hundred twenty million, six hundred seventy-seven thousand, six hundred five".