77000430770 has 16 divisors (see below), whose sum is σ = 138758113368. Its totient is φ = 30765208320.

The previous prime is 77000430721. The next prime is 77000430797. The reversal of 77000430770 is 7703400077.

It can be written as a sum of positive squares in 4 ways, for example, as 29621507881 + 47378922889 = 172109^2 + 217667^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 77000430770.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4361249 + ... + 4378868.

Almost surely, 2^77000430770 is an apocalyptic number.

77000430770 is a deficient number, since it is larger than the sum of its proper divisors (61757682598).

77000430770 is a wasteful number, since it uses less digits than its factorization.

77000430770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8741005.

The product of its (nonzero) digits is 28812, while the sum is 35.

The spelling of 77000430770 in words is "seventy-seven billion, four hundred thirty thousand, seven hundred seventy".