77928910135 has 8 divisors (see below), whose sum is σ = 95279120640. Its totient is φ = 61166842464.

The previous prime is 77928910133. The next prime is 77928910159. The reversal of 77928910135 is 53101982977.

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 77928910135 - 2¹ = 77928910133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77928910133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147035415 + ... + 147035944.

It is an arithmetic number, because the mean of its divisors is an integer number (11909890080).

Almost surely, 2^77928910135 is an apocalyptic number.

77928910135 is a deficient number, since it is larger than the sum of its proper divisors (17350210505).

77928910135 is a wasteful number, since it uses less digits than its factorization.

77928910135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294071417.

The product of its (nonzero) digits is 952560, while the sum is 52.

The spelling of 77928910135 in words is "seventy-seven billion, nine hundred twenty-eight million, nine hundred ten thousand, one hundred thirty-five".