77420332411 has 4 divisors (see below), whose sum is σ = 78130610800. Its totient is φ = 76710054024.

The previous prime is 77420332399. The next prime is 77420332541. The reversal of 77420332411 is 11423302477.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11423302477 = 53 ⋅215534009.

It is a cyclic number.

It is not a de Polignac number, because 77420332411 - 2¹¹ = 77420330363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77420332811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355139031 + ... + 355139248.

It is an arithmetic number, because the mean of its divisors is an integer number (19532652700).

Almost surely, 2^77420332411 is an apocalyptic number.

77420332411 is a deficient number, since it is larger than the sum of its proper divisors (710278389).

77420332411 is a wasteful number, since it uses less digits than its factorization.

77420332411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710278388.

The product of its (nonzero) digits is 28224, while the sum is 34.

Adding to 77420332411 its reverse (11423302477), we get a palindrome (88843634888).

The spelling of 77420332411 in words is "seventy-seven billion, four hundred twenty million, three hundred thirty-two thousand, four hundred eleven".