870749947078 has 16 divisors (see below), whose sum is σ = 1430007471504. Its totient is φ = 394366563360.

The previous prime is 870749947069. The next prime is 870749947087.

870749947078 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (870749947069) and next prime (870749947087).

It is a junction number, because it is equal to n+sod(n) for n = 870749946998 and 870749947016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71437125 + ... + 71449312.

It is an arithmetic number, because the mean of its divisors is an integer number (89375466969).

Almost surely, 2^870749947078 is an apocalyptic number.

870749947078 is a deficient number, since it is larger than the sum of its proper divisors (559257524426).

870749947078 is a wasteful number, since it uses less digits than its factorization.

870749947078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142886727.

The product of its (nonzero) digits is 199148544, while the sum is 70.

The spelling of 870749947078 in words is "eight hundred seventy billion, seven hundred forty-nine million, nine hundred forty-seven thousand, seventy-eight".