768261541 has 4 divisors (see below), whose sum is σ = 769428000. Its totient is φ = 767095084.

The previous prime is 768261517. The next prime is 768261547. The reversal of 768261541 is 145162867.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 145162867 = 23 ⋅6311429.

It is a cyclic number.

It is not a de Polignac number, because 768261541 - 2⁷ = 768261413 is a prime.

It is a super-3 number, since 3×768261541³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 768261494 and 768261503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768261547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582241 + ... + 583558.

It is an arithmetic number, because the mean of its divisors is an integer number (192357000).

Almost surely, 2^768261541 is an apocalyptic number.

It is an amenable number.

768261541 is a deficient number, since it is larger than the sum of its proper divisors (1166459).

768261541 is a wasteful number, since it uses less digits than its factorization.

768261541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166458.

The product of its digits is 80640, while the sum is 40.

The square root of 768261541 is about 27717.5312933890. The cubic root of 768261541 is about 915.8753370040.

The spelling of 768261541 in words is "seven hundred sixty-eight million, two hundred sixty-one thousand, five hundred forty-one".