78833638244801 has 4 divisors (see below), whose sum is σ = 86000332630704. Its totient is φ = 71666943858900.

The previous prime is 78833638244731. The next prime is 78833638244807. The reversal of 78833638244801 is 10844283633887.

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.

It is a cyclic number.

It is not a de Polignac number, because 78833638244801 - 2¹⁰ = 78833638243777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78833638244807) 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, 3583347192935 + ... + 3583347192956.

It is an arithmetic number, because the mean of its divisors is an integer number (21500083157676).

Almost surely, 2^{78833638244801} is an apocalyptic number.

It is an amenable number.

78833638244801 is a deficient number, since it is larger than the sum of its proper divisors (7166694385903).

78833638244801 is a wasteful number, since it uses less digits than its factorization.

78833638244801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7166694385902.

The product of its (nonzero) digits is 148635648, while the sum is 65.

The spelling of 78833638244801 in words is "seventy-eight trillion, eight hundred thirty-three billion, six hundred thirty-eight million, two hundred forty-four thousand, eight hundred one".