77766276101361 has 8 divisors (see below), whose sum is σ = 103703263776864. Its totient is φ = 51836736246720.

The previous prime is 77766276101351. The next prime is 77766276101363. The reversal of 77766276101361 is 16310167266777.

It is a happy number.

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

It is not a de Polignac number, because 77766276101361 - 2¹⁷ = 77766275970289 is a prime.

It is a super-2 number, since 2×77766276101361² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 77766276101295 and 77766276101304.

It is not an unprimeable number, because it can be changed into a prime (77766276101363) 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, 1861930851 + ... + 1861972616.

It is an arithmetic number, because the mean of its divisors is an integer number (12962907972108).

Almost surely, 2^{77766276101361} is an apocalyptic number.

It is an amenable number.

77766276101361 is a deficient number, since it is larger than the sum of its proper divisors (25936987675503).

77766276101361 is a wasteful number, since it uses less digits than its factorization.

77766276101361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3723910431.

The product of its (nonzero) digits is 18670176, while the sum is 60.

The spelling of 77766276101361 in words is "seventy-seven trillion, seven hundred sixty-six billion, two hundred seventy-six million, one hundred one thousand, three hundred sixty-one".