70297863386 has 4 divisors (see below), whose sum is σ = 105446795082. Its totient is φ = 35148931692.

The previous prime is 70297863379. The next prime is 70297863397. The reversal of 70297863386 is 68336879207.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 45766472761 + 24531390625 = 213931^2 + 156625^2 .

It is a super-5 number, since 5×70297863386⁵ (a number of 55 digits) contains 55555 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17574465845 + ... + 17574465848.

Almost surely, 2^70297863386 is an apocalyptic number.

70297863386 is a deficient number, since it is larger than the sum of its proper divisors (35148931696).

70297863386 is a wasteful number, since it uses less digits than its factorization.

70297863386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35148931695.

The product of its (nonzero) digits is 18289152, while the sum is 59.

The spelling of 70297863386 in words is "seventy billion, two hundred ninety-seven million, eight hundred sixty-three thousand, three hundred eighty-six".