868692541 has 8 divisors (see below), whose sum is σ = 871751160. Its totient is φ = 865640448.

The previous prime is 868692533. The next prime is 868692547. The reversal of 868692541 is 145296868.

It can be written as a sum of positive squares in 4 ways, for example, as 383768100 + 484924441 = 19590^2 + 22021^2 .

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 868692541 - 2³ = 868692533 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 (868692547) 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, 458925 + ... + 460813.

It is an arithmetic number, because the mean of its divisors is an integer number (108968895).

Almost surely, 2^868692541 is an apocalyptic number.

It is an amenable number.

868692541 is a deficient number, since it is larger than the sum of its proper divisors (3058619).

868692541 is a wasteful number, since it uses less digits than its factorization.

868692541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3263.

The product of its digits is 829440, while the sum is 49.

The square root of 868692541 is about 29473.5905685073. The cubic root of 868692541 is about 954.1618116299.

The spelling of 868692541 in words is "eight hundred sixty-eight million, six hundred ninety-two thousand, five hundred forty-one".