77021060674 has 8 divisors (see below), whose sum is σ = 115536224700. Its totient is φ = 38508985776.

The previous prime is 77021060671. The next prime is 77021060749. The reversal of 77021060674 is 47606012077.

It can be written as a sum of positive squares in 2 ways, for example, as 75821477449 + 1199583225 = 275357^2 + 34635^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (77021060671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 708909 + ... + 810304.

Almost surely, 2^77021060674 is an apocalyptic number.

77021060674 is a deficient number, since it is larger than the sum of its proper divisors (38515164026).

77021060674 is a wasteful number, since it uses less digits than its factorization.

77021060674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544564.

The product of its (nonzero) digits is 98784, while the sum is 40.

The spelling of 77021060674 in words is "seventy-seven billion, twenty-one million, sixty thousand, six hundred seventy-four".