70885879 has 2 divisors, whose sum is σ = 70885880. Its totient is φ = 70885878.

The previous prime is 70885873. The next prime is 70885883. The reversal of 70885879 is 97858807.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70885879 - 2¹¹ = 70883831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70885873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35442939 + 35442940.

It is an arithmetic number, because the mean of its divisors is an integer number (35442940).

Almost surely, 2^70885879 is an apocalyptic number.

70885879 is a deficient number, since it is larger than the sum of its proper divisors (1).

70885879 is an equidigital number, since it uses as much as digits as its factorization.

70885879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1128960, while the sum is 52.

The square root of 70885879 is about 8419.3752143493. The cubic root of 70885879 is about 413.8597995087.

The spelling of 70885879 in words is "seventy million, eight hundred eighty-five thousand, eight hundred seventy-nine".