620077477 has 2 divisors, whose sum is σ = 620077478. Its totient is φ = 620077476.

The previous prime is 620077459. The next prime is 620077511. The reversal of 620077477 is 774770026.

620077477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 560695041 + 59382436 = 23679^2 + 7706^2 .

It is a cyclic number.

It is not a de Polignac number, because 620077477 - 2⁷ = 620077349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620077427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310038738 + 310038739.

It is an arithmetic number, because the mean of its divisors is an integer number (310038739).

Almost surely, 2^620077477 is an apocalyptic number.

It is an amenable number.

620077477 is a deficient number, since it is larger than the sum of its proper divisors (1).

620077477 is an equidigital number, since it uses as much as digits as its factorization.

620077477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115248, while the sum is 40.

The square root of 620077477 is about 24901.3549229756. The cubic root of 620077477 is about 852.7374155504.

The spelling of 620077477 in words is "six hundred twenty million, seventy-seven thousand, four hundred seventy-seven".