70870257854 has 32 divisors (see below), whose sum is σ = 116761188096. Its totient is φ = 31994118720.

The previous prime is 70870257827. The next prime is 70870257911. The reversal of 70870257854 is 45875207807.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 70870257796 and 70870257805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5936039 + ... + 5947965.

It is an arithmetic number, because the mean of its divisors is an integer number (3648787128).

Almost surely, 2^70870257854 is an apocalyptic number.

70870257854 is a deficient number, since it is larger than the sum of its proper divisors (45890930242).

70870257854 is a wasteful number, since it uses less digits than its factorization.

70870257854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13760.

The product of its (nonzero) digits is 4390400, while the sum is 53.

The spelling of 70870257854 in words is "seventy billion, eight hundred seventy million, two hundred fifty-seven thousand, eight hundred fifty-four".