77028268441 has 8 divisors (see below), whose sum is σ = 80063250624. Its totient is φ = 74043451440.

The previous prime is 77028268417. The next prime is 77028268451. The reversal of 77028268441 is 14486282077.

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 77028268441 - 2⁵ = 77028268409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77028268451) 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, 12538165 + ... + 12544306.

It is an arithmetic number, because the mean of its divisors is an integer number (10007906328).

Almost surely, 2^77028268441 is an apocalyptic number.

It is an amenable number.

77028268441 is a deficient number, since it is larger than the sum of its proper divisors (3034982183).

77028268441 is a wasteful number, since it uses less digits than its factorization.

77028268441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25082591.

The product of its (nonzero) digits is 1204224, while the sum is 49.

The spelling of 77028268441 in words is "seventy-seven billion, twenty-eight million, two hundred sixty-eight thousand, four hundred forty-one".