70818763797 has 6 divisors (see below), whose sum is σ = 102293769942. Its totient is φ = 47212509192.

The previous prime is 70818763793. The next prime is 70818763819. The reversal of 70818763797 is 79736781807.

It can be written as a sum of positive squares in only one way, i.e., 60992205156 + 9826558641 = 246966^2 + 99129^2 .

It is not a de Polignac number, because 70818763797 - 2² = 70818763793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70818763793) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3934375758 + ... + 3934375775.

It is an arithmetic number, because the mean of its divisors is an integer number (17048961657).

Almost surely, 2^70818763797 is an apocalyptic number.

It is an amenable number.

70818763797 is a deficient number, since it is larger than the sum of its proper divisors (31475006145).

70818763797 is a wasteful number, since it uses less digits than its factorization.

70818763797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7868751539 (or 7868751536 counting only the distinct ones).

The product of its (nonzero) digits is 24893568, while the sum is 63.

The spelling of 70818763797 in words is "seventy billion, eight hundred eighteen million, seven hundred sixty-three thousand, seven hundred ninety-seven".