870480791 has 4 divisors (see below), whose sum is σ = 900497400. Its totient is φ = 840464184.

The previous prime is 870480739. The next prime is 870480827. The reversal of 870480791 is 197084078.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 197084078 = 2 ⋅98542039.

It is a cyclic number.

It is not a de Polignac number, because 870480791 - 2⁶ = 870480727 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 (870480731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15008261 + ... + 15008318.

It is an arithmetic number, because the mean of its divisors is an integer number (225124350).

Almost surely, 2^870480791 is an apocalyptic number.

870480791 is a deficient number, since it is larger than the sum of its proper divisors (30016609).

870480791 is a wasteful number, since it uses less digits than its factorization.

870480791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30016608.

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 870480791 is about 29503.9114525515. The cubic root of 870480791 is about 954.8160938965.

The spelling of 870480791 in words is "eight hundred seventy million, four hundred eighty thousand, seven hundred ninety-one".