77420332335 has 32 divisors (see below), whose sum is σ = 127136579328. Its totient is φ = 40208636160.

The previous prime is 77420332331. The next prime is 77420332399. The reversal of 77420332335 is 53323302477.

It is not a de Polignac number, because 77420332335 - 2² = 77420332331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77420332293 and 77420332302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77420332331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32179 + ... + 394811.

It is an arithmetic number, because the mean of its divisors is an integer number (3973018104).

Almost surely, 2^77420332335 is an apocalyptic number.

77420332335 is a deficient number, since it is larger than the sum of its proper divisors (49716246993).

77420332335 is a wasteful number, since it uses less digits than its factorization.

77420332335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363015.

The product of its (nonzero) digits is 317520, while the sum is 39.

The spelling of 77420332335 in words is "seventy-seven billion, four hundred twenty million, three hundred thirty-two thousand, three hundred thirty-five".