70858881819 has 24 divisors (see below), whose sum is σ = 111779126784. Its totient is φ = 42897582000.

The previous prime is 70858881799. The next prime is 70858881853. The reversal of 70858881819 is 91818885807.

It is not a de Polignac number, because 70858881819 - 2¹¹ = 70858879771 is a prime.

It is a super-2 number, since 2×70858881819² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70858881319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 302647 + ... + 483024.

It is an arithmetic number, because the mean of its divisors is an integer number (4657463616).

Almost surely, 2^70858881819 is an apocalyptic number.

70858881819 is a deficient number, since it is larger than the sum of its proper divisors (40920244965).

70858881819 is a wasteful number, since it uses less digits than its factorization.

70858881819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786599 (or 786596 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 63.

The spelling of 70858881819 in words is "seventy billion, eight hundred fifty-eight million, eight hundred eighty-one thousand, eight hundred nineteen".