70379709887 has 2 divisors, whose sum is σ = 70379709888. Its totient is φ = 70379709886.

The previous prime is 70379709871. The next prime is 70379709919. The reversal of 70379709887 is 78890797307.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70379709887 - 2⁴ = 70379709871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70379709857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35189854943 + 35189854944.

It is an arithmetic number, because the mean of its divisors is an integer number (35189854944).

Almost surely, 2^70379709887 is an apocalyptic number.

70379709887 is a deficient number, since it is larger than the sum of its proper divisors (1).

70379709887 is an equidigital number, since it uses as much as digits as its factorization.

70379709887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37340352, while the sum is 65.

The spelling of 70379709887 in words is "seventy billion, three hundred seventy-nine million, seven hundred nine thousand, eight hundred eighty-seven".