70127078977 has 2 divisors, whose sum is σ = 70127078978. Its totient is φ = 70127078976.

The previous prime is 70127078971. The next prime is 70127079023. The reversal of 70127078977 is 77987072107.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43532318736 + 26594760241 = 208644^2 + 163079^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70127078977 is a prime.

It is not a weakly prime, because it can be changed into another prime (70127078971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35063539488 + 35063539489.

It is an arithmetic number, because the mean of its divisors is an integer number (35063539489).

Almost surely, 2^70127078977 is an apocalyptic number.

It is an amenable number.

70127078977 is a deficient number, since it is larger than the sum of its proper divisors (1).

70127078977 is an equidigital number, since it uses as much as digits as its factorization.

70127078977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2420208, while the sum is 55.

The spelling of 70127078977 in words is "seventy billion, one hundred twenty-seven million, seventy-eight thousand, nine hundred seventy-seven".