78026330641 has 8 divisors (see below), whose sum is σ = 89177719680. Its totient is φ = 66876134208.

The previous prime is 78026330623. The next prime is 78026330671. The reversal of 78026330641 is 14603362087.

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 78026330641 - 2²¹ = 78024233489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78026330594 and 78026330603.

It is not an unprimeable number, because it can be changed into a prime (78026330621) 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, 153256 + ... + 423721.

It is an arithmetic number, because the mean of its divisors is an integer number (11147214960).

Almost surely, 2^78026330641 is an apocalyptic number.

It is an amenable number.

78026330641 is a deficient number, since it is larger than the sum of its proper divisors (11151389039).

78026330641 is a wasteful number, since it uses less digits than its factorization.

78026330641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596303.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 78026330641 in words is "seventy-eight billion, twenty-six million, three hundred thirty thousand, six hundred forty-one".