77766166683417 has 8 divisors (see below), whose sum is σ = 106490606629696. Its totient is φ = 50442918929712.

The previous prime is 77766166683349. The next prime is 77766166683419. The reversal of 77766166683417 is 71438666166777.

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

It is not a de Polignac number, because 77766166683417 - 2³² = 77761871716121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77766166683419) 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, 350298048013 + ... + 350298048234.

It is an arithmetic number, because the mean of its divisors is an integer number (13311325828712).

Almost surely, 2^{77766166683417} is an apocalyptic number.

It is an amenable number.

77766166683417 is a deficient number, since it is larger than the sum of its proper divisors (28724439946279).

77766166683417 is a wasteful number, since it uses less digits than its factorization.

77766166683417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700596096287.

The product of its digits is 1792336896, while the sum is 75.

The spelling of 77766166683417 in words is "seventy-seven trillion, seven hundred sixty-six billion, one hundred sixty-six million, six hundred eighty-three thousand, four hundred seventeen".