70889886 has 48 divisors (see below), whose sum is σ = 159629184. Its totient is φ = 22719312.

The previous prime is 70889873. The next prime is 70889911. The reversal of 70889886 is 68898807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51175 + ... + 52541.

It is an arithmetic number, because the mean of its divisors is an integer number (3325608).

Almost surely, 2^70889886 is an apocalyptic number.

70889886 is an abundant number, since it is smaller than the sum of its proper divisors (88739298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70889886 is a wasteful number, since it uses less digits than its factorization.

70889886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485 (or 1482 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 54.

The square root of 70889886 is about 8419.6131740122. The cubic root of 70889886 is about 413.8675975121.

The spelling of 70889886 in words is "seventy million, eight hundred eighty-nine thousand, eight hundred eighty-six".