620776323 has 12 divisors (see below), whose sum is σ = 897285480. Its totient is φ = 413570016.

The previous prime is 620776319. The next prime is 620776327. The reversal of 620776323 is 323677026.

620776323 is a `hidden beast` number, since 620 + 7 + 7 + 6 + 3 + 23 = 666.

It is an interprime number because it is at equal distance from previous prime (620776319) and next prime (620776327).

It is not a de Polignac number, because 620776323 - 2² = 620776319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (620776327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8938 + ... + 36351.

It is an arithmetic number, because the mean of its divisors is an integer number (74773790).

Almost surely, 2^620776323 is an apocalyptic number.

620776323 is a deficient number, since it is larger than the sum of its proper divisors (276509157).

620776323 is a wasteful number, since it uses less digits than its factorization.

620776323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46818 (or 46815 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The square root of 620776323 is about 24915.3832601467. The cubic root of 620776323 is about 853.0576488633.

The spelling of 620776323 in words is "six hundred twenty million, seven hundred seventy-six thousand, three hundred twenty-three".