77662980459011 has 4 divisors (see below), whose sum is σ = 77716210741800. Its totient is φ = 77609750176224.

The previous prime is 77662980459007. The next prime is 77662980459013. The reversal of 77662980459011 is 11095408926677.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 77662980459011 - 2² = 77662980459007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77662980459013) 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 3 ways as a sum of consecutive naturals, for example, 26615139206 + ... + 26615142123.

It is an arithmetic number, because the mean of its divisors is an integer number (19429052685450).

Almost surely, 2^{77662980459011} is an apocalyptic number.

77662980459011 is a deficient number, since it is larger than the sum of its proper divisors (53230282789).

77662980459011 is a wasteful number, since it uses less digits than its factorization.

77662980459011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53230282788.

The product of its (nonzero) digits is 45722880, while the sum is 65.

The spelling of 77662980459011 in words is "seventy-seven trillion, six hundred sixty-two billion, nine hundred eighty million, four hundred fifty-nine thousand, eleven".