70893012887 has 4 divisors (see below), whose sum is σ = 70912540896. Its totient is φ = 70873484880.

The previous prime is 70893012877. The next prime is 70893012913. The reversal of 70893012887 is 78821039807.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70893012887 - 2⁴ = 70893012871 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 (70893012877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9758558 + ... + 9765819.

It is an arithmetic number, because the mean of its divisors is an integer number (17728135224).

Almost surely, 2^70893012887 is an apocalyptic number.

70893012887 is a deficient number, since it is larger than the sum of its proper divisors (19528009).

70893012887 is a wasteful number, since it uses less digits than its factorization.

70893012887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19528008.

The product of its (nonzero) digits is 1354752, while the sum is 53.

The spelling of 70893012887 in words is "seventy billion, eight hundred ninety-three million, twelve thousand, eight hundred eighty-seven".