78562770011 has 24 divisors (see below), whose sum is σ = 86937312000. Its totient is φ = 70939638000.

The previous prime is 78562770001. The next prime is 78562770029. The reversal of 78562770011 is 11007726587.

It is not a de Polignac number, because 78562770011 - 2⁶ = 78562769947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78562770001) 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 23 ways as a sum of consecutive naturals, for example, 15865586 + ... + 15870536.

It is an arithmetic number, because the mean of its divisors is an integer number (3622388000).

Almost surely, 2^78562770011 is an apocalyptic number.

78562770011 is a deficient number, since it is larger than the sum of its proper divisors (8374541989).

78562770011 is a wasteful number, since it uses less digits than its factorization.

78562770011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5831 (or 5820 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 44.

The spelling of 78562770011 in words is "seventy-eight billion, five hundred sixty-two million, seven hundred seventy thousand, eleven".