77016247771 has 8 divisors (see below), whose sum is σ = 77269649760. Its totient is φ = 76762912128.

The previous prime is 77016247751. The next prime is 77016247787. The reversal of 77016247771 is 17774261077.

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 77016247771 - 2³⁵ = 42656509403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77016247751) 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, 3551955 + ... + 3573571.

It is an arithmetic number, because the mean of its divisors is an integer number (9658706220).

Almost surely, 2^77016247771 is an apocalyptic number.

77016247771 is a deficient number, since it is larger than the sum of its proper divisors (253401989).

77016247771 is a wasteful number, since it uses less digits than its factorization.

77016247771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33173.

The product of its (nonzero) digits is 806736, while the sum is 49.

The spelling of 77016247771 in words is "seventy-seven billion, sixteen million, two hundred forty-seven thousand, seven hundred seventy-one".