77441231 has 8 divisors (see below), whose sum is σ = 88833024. Its totient is φ = 66131640.

The previous prime is 77441227. The next prime is 77441249. The reversal of 77441231 is 13214477.

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 77441231 - 2² = 77441227 is a prime.

It is a super-2 number, since 2×77441231² = 11994288517590722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 77441194 and 77441203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77441261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18515 + ... + 22308.

It is an arithmetic number, because the mean of its divisors is an integer number (11104128).

Almost surely, 2^77441231 is an apocalyptic number.

77441231 is a deficient number, since it is larger than the sum of its proper divisors (11391793).

77441231 is a wasteful number, since it uses less digits than its factorization.

77441231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41101.

The product of its digits is 4704, while the sum is 29.

The square root of 77441231 is about 8800.0699429039. The cubic root of 77441231 is about 426.2431532283.

It can be divided in two parts, 77441 and 231, that multiplied together give a palindrome (17888871).

The spelling of 77441231 in words is "seventy-seven million, four hundred forty-one thousand, two hundred thirty-one".