77236060066 has 24 divisors (see below), whose sum is σ = 128604621852. Its totient is φ = 34759692000.

The previous prime is 77236060043. The next prime is 77236060073. The reversal of 77236060066 is 66006063277.

It can be written as a sum of positive squares in 2 ways, for example, as 65909779441 + 11326280625 = 256729^2 + 106425^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1555545 + ... + 1604428.

Almost surely, 2^77236060066 is an apocalyptic number.

77236060066 is a deficient number, since it is larger than the sum of its proper divisors (51368561786).

77236060066 is a wasteful number, since it uses less digits than its factorization.

77236060066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3160098 (or 3160087 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 43.

The spelling of 77236060066 in words is "seventy-seven billion, two hundred thirty-six million, sixty thousand, sixty-six".