620792477 has 2 divisors, whose sum is σ = 620792478. Its totient is φ = 620792476.

The previous prime is 620792443. The next prime is 620792483. The reversal of 620792477 is 774297026.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 369062521 + 251729956 = 19211^2 + 15866^2 .

It is a cyclic number.

It is not a de Polignac number, because 620792477 - 2²⁸ = 352357021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620792407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310396238 + 310396239.

It is an arithmetic number, because the mean of its divisors is an integer number (310396239).

Almost surely, 2^620792477 is an apocalyptic number.

It is an amenable number.

620792477 is a deficient number, since it is larger than the sum of its proper divisors (1).

620792477 is an equidigital number, since it uses as much as digits as its factorization.

620792477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 296352, while the sum is 44.

The square root of 620792477 is about 24915.7074352706. The cubic root of 620792477 is about 853.0650482937.

The spelling of 620792477 in words is "six hundred twenty million, seven hundred ninety-two thousand, four hundred seventy-seven".