77714831641 has 4 divisors (see below), whose sum is σ = 77949619984. Its totient is φ = 77480043300.

The previous prime is 77714831587. The next prime is 77714831653. The reversal of 77714831641 is 14613841777.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14613841777 = 103 ⋅141881959.

It is a cyclic number.

It is not a de Polignac number, because 77714831641 - 2¹¹ = 77714829593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77714831671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117393675 + ... + 117394336.

It is an arithmetic number, because the mean of its divisors is an integer number (19487404996).

Almost surely, 2^77714831641 is an apocalyptic number.

It is an amenable number.

77714831641 is a deficient number, since it is larger than the sum of its proper divisors (234788343).

77714831641 is a wasteful number, since it uses less digits than its factorization.

77714831641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234788342.

The product of its digits is 790272, while the sum is 49.

The spelling of 77714831641 in words is "seventy-seven billion, seven hundred fourteen million, eight hundred thirty-one thousand, six hundred forty-one".