77079874241 has 16 divisors (see below), whose sum is σ = 78089717760. Its totient is φ = 76077817920.

The previous prime is 77079874237. The next prime is 77079874259. The reversal of 77079874241 is 14247897077.

It is a cyclic number.

It is not a de Polignac number, because 77079874241 - 2² = 77079874237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77079874231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27556655 + ... + 27559451.

It is an arithmetic number, because the mean of its divisors is an integer number (4880607360).

Almost surely, 2^77079874241 is an apocalyptic number.

It is an amenable number.

77079874241 is a deficient number, since it is larger than the sum of its proper divisors (1009843519).

77079874241 is a wasteful number, since it uses less digits than its factorization.

77079874241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4064.

The product of its (nonzero) digits is 5531904, while the sum is 56.

The spelling of 77079874241 in words is "seventy-seven billion, seventy-nine million, eight hundred seventy-four thousand, two hundred forty-one".