77226648013 has 8 divisors (see below), whose sum is σ = 77318656640. Its totient is φ = 77134692960.

The previous prime is 77226647987. The next prime is 77226648029. The reversal of 77226648013 is 31084662277.

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 77226648013 - 2⁹ = 77226647501 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 (77226640013) 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, 3357793 + ... + 3380713.

It is an arithmetic number, because the mean of its divisors is an integer number (9664832080).

Almost surely, 2^77226648013 is an apocalyptic number.

It is an amenable number.

77226648013 is a deficient number, since it is larger than the sum of its proper divisors (92008627).

77226648013 is a wasteful number, since it uses less digits than its factorization.

77226648013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26787.

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 77226648013 in words is "seventy-seven billion, two hundred twenty-six million, six hundred forty-eight thousand, thirteen".