70885863 has 6 divisors (see below), whose sum is σ = 102390704. Its totient is φ = 47257236.

The previous prime is 70885853. The next prime is 70885873. The reversal of 70885863 is 36858807.

It is an interprime number because it is at equal distance from previous prime (70885853) and next prime (70885873).

It is not a de Polignac number, because 70885863 - 2¹⁷ = 70754791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70885853) 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, 3938095 + ... + 3938112.

Almost surely, 2^70885863 is an apocalyptic number.

70885863 is a deficient number, since it is larger than the sum of its proper divisors (31504841).

70885863 is a wasteful number, since it uses less digits than its factorization.

70885863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7876213 (or 7876210 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 70885863 is about 8419.3742641600. The cubic root of 70885863 is about 413.8597683706.

The spelling of 70885863 in words is "seventy million, eight hundred eighty-five thousand, eight hundred sixty-three".