870931541 has 8 divisors (see below), whose sum is σ = 877651968. Its totient is φ = 864234000.

The previous prime is 870931517. The next prime is 870931543. The reversal of 870931541 is 145139078.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 870931541 - 2²² = 866737237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 870931495 and 870931504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870931543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74996 + ... + 85826.

It is an arithmetic number, because the mean of its divisors is an integer number (109706496).

Almost surely, 2^870931541 is an apocalyptic number.

It is an amenable number.

870931541 is a deficient number, since it is larger than the sum of its proper divisors (6720427).

870931541 is a wasteful number, since it uses less digits than its factorization.

870931541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11443.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 870931541 is about 29511.5492815948. The cubic root of 870931541 is about 954.9808722172.

The spelling of 870931541 in words is "eight hundred seventy million, nine hundred thirty-one thousand, five hundred forty-one".