870670305652 has 72 divisors (see below), whose sum is σ = 1892701762560. Its totient is φ = 348655446720.

The previous prime is 870670305629. The next prime is 870670305653. The reversal of 870670305652 is 256503076078.

It is a super-2 number, since 2×870670305652² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 870670305596 and 870670305605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870670305653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2294428 + ... + 2646835.

It is an arithmetic number, because the mean of its divisors is an integer number (26287524480).

Almost surely, 2^870670305652 is an apocalyptic number.

It is an amenable number.

870670305652 is an abundant number, since it is smaller than the sum of its proper divisors (1022031456908).

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

870670305652 is a wasteful number, since it uses less digits than its factorization.

870670305652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4941341 (or 4941332 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 870670305652 in words is "eight hundred seventy billion, six hundred seventy million, three hundred five thousand, six hundred fifty-two".