77290217379697 has 8 divisors (see below), whose sum is σ = 89005964617152. Its totient is φ = 65743042045200.

The previous prime is 77290217379679. The next prime is 77290217379751. The reversal of 77290217379697 is 79697371209277.

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 77290217379697 - 2¹⁵ = 77290217346929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77290217379997) 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, 42142974754 + ... + 42142976587.

It is an arithmetic number, because the mean of its divisors is an integer number (11125745577144).

Almost surely, 2^{77290217379697} is an apocalyptic number.

It is an amenable number.

77290217379697 is a deficient number, since it is larger than the sum of its proper divisors (11715747237455).

77290217379697 is a wasteful number, since it uses less digits than its factorization.

77290217379697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84285951479.

The product of its (nonzero) digits is 882165816, while the sum is 76.

The spelling of 77290217379697 in words is "seventy-seven trillion, two hundred ninety billion, two hundred seventeen million, three hundred seventy-nine thousand, six hundred ninety-seven".