70223957077 has 2 divisors, whose sum is σ = 70223957078. Its totient is φ = 70223957076.

The previous prime is 70223957059. The next prime is 70223957093. The reversal of 70223957077 is 77075932207.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58816435441 + 11407521636 = 242521^2 + 106806^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70223957077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70223957077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70223957777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35111978538 + 35111978539.

It is an arithmetic number, because the mean of its divisors is an integer number (35111978539).

Almost surely, 2^70223957077 is an apocalyptic number.

It is an amenable number.

70223957077 is a deficient number, since it is larger than the sum of its proper divisors (1).

70223957077 is an equidigital number, since it uses as much as digits as its factorization.

70223957077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296540, while the sum is 49.

The spelling of 70223957077 in words is "seventy billion, two hundred twenty-three million, nine hundred fifty-seven thousand, seventy-seven".