870305076 has 36 divisors (see below), whose sum is σ = 2232778912. Its totient is φ = 285771024.

The previous prime is 870305069. The next prime is 870305081. The reversal of 870305076 is 670503078.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×870305076² = 1514861850622731552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 870305076.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 178000 + ... + 182823.

Almost surely, 2^870305076 is an apocalyptic number.

It is an amenable number.

870305076 is an abundant number, since it is smaller than the sum of its proper divisors (1362473836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

870305076 is a wasteful number, since it uses less digits than its factorization.

870305076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360900 (or 360895 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 870305076 is about 29500.9334767563. The cubic root of 870305076 is about 954.7518432731.

The spelling of 870305076 in words is "eight hundred seventy million, three hundred five thousand, seventy-six".