70916563187 has 2 divisors, whose sum is σ = 70916563188. Its totient is φ = 70916563186.

The previous prime is 70916563171. The next prime is 70916563219. The reversal of 70916563187 is 78136561907.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70916563187 - 2⁴ = 70916563171 is a prime.

It is not a weakly prime, because it can be changed into another prime (70916563127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35458281593 + 35458281594.

It is an arithmetic number, because the mean of its divisors is an integer number (35458281594).

Almost surely, 2^70916563187 is an apocalyptic number.

70916563187 is a deficient number, since it is larger than the sum of its proper divisors (1).

70916563187 is an equidigital number, since it uses as much as digits as its factorization.

70916563187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 53.

The spelling of 70916563187 in words is "seventy billion, nine hundred sixteen million, five hundred sixty-three thousand, one hundred eighty-seven".