77034677761 has 8 divisors (see below), whose sum is σ = 81614338344. Its totient is φ = 72460373760.

The previous prime is 77034677747. The next prime is 77034677801. The reversal of 77034677761 is 16777643077.

It can be written as a sum of positive squares in 4 ways, for example, as 19004276736 + 58030401025 = 137856^2 + 240895^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 77034677761 - 2¹¹ = 77034675713 is a prime.

It is a super-2 number, since 2×77034677761² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77034677861) 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, 1309510 + ... + 1367071.

It is an arithmetic number, because the mean of its divisors is an integer number (10201792293).

Almost surely, 2^77034677761 is an apocalyptic number.

It is an amenable number.

77034677761 is a deficient number, since it is larger than the sum of its proper divisors (4579660583).

77034677761 is a wasteful number, since it uses less digits than its factorization.

77034677761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2678291.

The product of its (nonzero) digits is 7260624, while the sum is 55.

The spelling of 77034677761 in words is "seventy-seven billion, thirty-four million, six hundred seventy-seven thousand, seven hundred sixty-one".