478010077 has 2 divisors, whose sum is σ = 478010078. Its totient is φ = 478010076.

The previous prime is 478010033. The next prime is 478010087. The reversal of 478010077 is 770010874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 468895716 + 9114361 = 21654^2 + 3019^2 .

It is a cyclic number.

It is not a de Polignac number, because 478010077 - 2²³ = 469621469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478010087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239005038 + 239005039.

It is an arithmetic number, because the mean of its divisors is an integer number (239005039).

Almost surely, 2^478010077 is an apocalyptic number.

It is an amenable number.

478010077 is a deficient number, since it is larger than the sum of its proper divisors (1).

478010077 is an equidigital number, since it uses as much as digits as its factorization.

478010077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10976, while the sum is 34.

The square root of 478010077 is about 21863.4415634868. The cubic root of 478010077 is about 781.8900455464.

The spelling of 478010077 in words is "four hundred seventy-eight million, ten thousand, seventy-seven".