315407077 has 2 divisors, whose sum is σ = 315407078. Its totient is φ = 315407076.

The previous prime is 315407041. The next prime is 315407111. The reversal of 315407077 is 770704513.

It is an a-pointer prime, because the next prime (315407111) can be obtained adding 315407077 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 304642116 + 10764961 = 17454^2 + 3281^2 .

It is a cyclic number.

It is not a de Polignac number, because 315407077 - 2¹⁵ = 315374309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315407977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157703538 + 157703539.

It is an arithmetic number, because the mean of its divisors is an integer number (157703539).

Almost surely, 2^315407077 is an apocalyptic number.

It is an amenable number.

315407077 is a deficient number, since it is larger than the sum of its proper divisors (1).

315407077 is an equidigital number, since it uses as much as digits as its factorization.

315407077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 315407077 is about 17759.7037418984. The cubic root of 315407077 is about 680.7021848357.

The spelling of 315407077 in words is "three hundred fifteen million, four hundred seven thousand, seventy-seven".