77000776 has 32 divisors (see below), whose sum is σ = 149748480. Its totient is φ = 37080000.

The previous prime is 77000719. The next prime is 77000779. The reversal of 77000776 is 67700077.

It is not an unprimeable number, because it can be changed into a prime (77000779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61630 + ... + 62866.

It is an arithmetic number, because the mean of its divisors is an integer number (4679640).

Almost surely, 2^77000776 is an apocalyptic number.

It is an amenable number.

77000776 is a deficient number, since it is larger than the sum of its proper divisors (72747704).

77000776 is a wasteful number, since it uses less digits than its factorization.

77000776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525 (or 1521 counting only the distinct ones).

The product of its (nonzero) digits is 14406, while the sum is 34.

The square root of 77000776 is about 8775.0086039844. The cubic root of 77000776 is about 425.4335156638.

The spelling of 77000776 in words is "seventy-seven million, seven hundred seventy-six", and thus it is an aban number.