77836241 has 4 divisors (see below), whose sum is σ = 88955712. Its totient is φ = 66716772.

The previous prime is 77836237. The next prime is 77836267. The reversal of 77836241 is 14263877.

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: 14263877 = 113 ⋅126229.

It is a cyclic number.

It is not a de Polignac number, because 77836241 - 2² = 77836237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77836195 and 77836204.

It is not an unprimeable number, because it can be changed into a prime (77836211) 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, 5559725 + ... + 5559738.

It is an arithmetic number, because the mean of its divisors is an integer number (22238928).

Almost surely, 2^77836241 is an apocalyptic number.

It is an amenable number.

77836241 is a deficient number, since it is larger than the sum of its proper divisors (11119471).

77836241 is a wasteful number, since it uses less digits than its factorization.

77836241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11119470.

The product of its digits is 56448, while the sum is 38.

The square root of 77836241 is about 8822.4849674001. The cubic root of 77836241 is about 426.9666474250.

The spelling of 77836241 in words is "seventy-seven million, eight hundred thirty-six thousand, two hundred forty-one".