77030436002 has 16 divisors (see below), whose sum is σ = 127468753272. Its totient is φ = 34685374080.

The previous prime is 77030436001. The next prime is 77030436017. The reversal of 77030436002 is 20063403077.

It can be written as a sum of positive squares in 4 ways, for example, as 56934254881 + 20096181121 = 238609^2 + 141761^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 77030436002.

It is not an unprimeable number, because it can be changed into a prime (77030436001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36129533 + ... + 36131664.

Almost surely, 2^77030436002 is an apocalyptic number.

77030436002 is a deficient number, since it is larger than the sum of its proper divisors (50438317270).

77030436002 is a wasteful number, since it uses less digits than its factorization.

77030436002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72261253.

The product of its (nonzero) digits is 21168, while the sum is 32.

Adding to 77030436002 its reverse (20063403077), we get a palindrome (97093839079).

The spelling of 77030436002 in words is "seventy-seven billion, thirty million, four hundred thirty-six thousand, two".