23777808621079 has 4 divisors (see below), whose sum is σ = 23789860223976. Its totient is φ = 23765757018184.

The previous prime is 23777808620953. The next prime is 23777808621167. The reversal of 23777808621079 is 97012680877732.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23777808621079 - 2⁹ = 23777808620567 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 (23777808621779) 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, 6025798489 + ... + 6025802434.

It is an arithmetic number, because the mean of its divisors is an integer number (5947465055994).

Almost surely, 2^{23777808621079} is an apocalyptic number.

23777808621079 is a deficient number, since it is larger than the sum of its proper divisors (12051602897).

23777808621079 is a wasteful number, since it uses less digits than its factorization.

23777808621079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12051602896.

The product of its (nonzero) digits is 99574272, while the sum is 67.

The spelling of 23777808621079 in words is "twenty-three trillion, seven hundred seventy-seven billion, eight hundred eight million, six hundred twenty-one thousand, seventy-nine".