870263745 has 128 divisors (see below), whose sum is σ = 1717148160. Its totient is φ = 371589120.

The previous prime is 870263743. The next prime is 870263753. The reversal of 870263745 is 547362078.

It is not a de Polignac number, because 870263745 - 2¹ = 870263743 is a prime.

It is a super-2 number, since 2×870263745² = 1514717971722850050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 870263697 and 870263706.

It is not an unprimeable number, because it can be changed into a prime (870263741) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2582217 + ... + 2582553.

It is an arithmetic number, because the mean of its divisors is an integer number (13415220).

Almost surely, 2^870263745 is an apocalyptic number.

870263745 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

870263745 is a deficient number, since it is larger than the sum of its proper divisors (846884415).

870263745 is a wasteful number, since it uses less digits than its factorization.

870263745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435.

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 870263745 is about 29500.2329651818. The cubic root of 870263745 is about 954.7367292347.

The spelling of 870263745 in words is "eight hundred seventy million, two hundred sixty-three thousand, seven hundred forty-five".