77101047397 has 16 divisors (see below), whose sum is σ = 88547699520. Its totient is φ = 66394857600.

The previous prime is 77101047389. The next prime is 77101047421. The reversal of 77101047397 is 79374010177.

It is a cyclic number.

It is not a de Polignac number, because 77101047397 - 2³ = 77101047389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77101047307) 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, 2316123 + ... + 2349175.

It is an arithmetic number, because the mean of its divisors is an integer number (5534231220).

Almost surely, 2^77101047397 is an apocalyptic number.

It is an amenable number.

77101047397 is a deficient number, since it is larger than the sum of its proper divisors (11446652123).

77101047397 is a wasteful number, since it uses less digits than its factorization.

77101047397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44244.

The product of its (nonzero) digits is 259308, while the sum is 46.

The spelling of 77101047397 in words is "seventy-seven billion, one hundred one million, forty-seven thousand, three hundred ninety-seven".