70510066577 has 2 divisors, whose sum is σ = 70510066578. Its totient is φ = 70510066576.

The previous prime is 70510066567. The next prime is 70510066621. The reversal of 70510066577 is 77566001507.

It is an a-pointer prime, because the next prime (70510066621) can be obtained adding 70510066577 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36909710161 + 33600356416 = 192119^2 + 183304^2 .

It is a cyclic number.

It is not a de Polignac number, because 70510066577 - 2⁸ = 70510066321 is a prime.

It is not a weakly prime, because it can be changed into another prime (70510066537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35255033288 + 35255033289.

It is an arithmetic number, because the mean of its divisors is an integer number (35255033289).

Almost surely, 2^70510066577 is an apocalyptic number.

It is an amenable number.

70510066577 is a deficient number, since it is larger than the sum of its proper divisors (1).

70510066577 is an equidigital number, since it uses as much as digits as its factorization.

70510066577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 308700, while the sum is 44.

The spelling of 70510066577 in words is "seventy billion, five hundred ten million, sixty-six thousand, five hundred seventy-seven".