70222064977 has 2 divisors, whose sum is σ = 70222064978. Its totient is φ = 70222064976.

The previous prime is 70222064971. The next prime is 70222064987. The reversal of 70222064977 is 77946022207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70119569601 + 102495376 = 264801^2 + 10124^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70222064977 is a prime.

It is a super-2 number, since 2×70222064977² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70222064971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35111032488 + 35111032489.

It is an arithmetic number, because the mean of its divisors is an integer number (35111032489).

Almost surely, 2^70222064977 is an apocalyptic number.

It is an amenable number.

70222064977 is a deficient number, since it is larger than the sum of its proper divisors (1).

70222064977 is an equidigital number, since it uses as much as digits as its factorization.

70222064977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 592704, while the sum is 46.

The spelling of 70222064977 in words is "seventy billion, two hundred twenty-two million, sixty-four thousand, nine hundred seventy-seven".