610880857 has 2 divisors, whose sum is σ = 610880858. Its totient is φ = 610880856.

The previous prime is 610880849. The next prime is 610880887. The reversal of 610880857 is 758088016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 395055376 + 215825481 = 19876^2 + 14691^2 .

It is a cyclic number.

It is not a de Polignac number, because 610880857 - 2³ = 610880849 is a prime.

It is not a weakly prime, because it can be changed into another prime (610880807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305440428 + 305440429.

It is an arithmetic number, because the mean of its divisors is an integer number (305440429).

Almost surely, 2^610880857 is an apocalyptic number.

It is an amenable number.

610880857 is a deficient number, since it is larger than the sum of its proper divisors (1).

610880857 is an equidigital number, since it uses as much as digits as its factorization.

610880857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107520, while the sum is 43.

The square root of 610880857 is about 24716.0040661916. The cubic root of 610880857 is about 848.5006356320.

The spelling of 610880857 in words is "six hundred ten million, eight hundred eighty thousand, eight hundred fifty-seven".