78533428006771 has 8 divisors (see below), whose sum is σ = 83153152986624. Its totient is φ = 73913715423360.

The previous prime is 78533428006697. The next prime is 78533428006801. The reversal of 78533428006771 is 17760082433587.

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 78533428006771 - 2⁷ = 78533428006643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78533428066771) 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, 12063441 + ... + 17395213.

It is an arithmetic number, because the mean of its divisors is an integer number (10394144123328).

Almost surely, 2^{78533428006771} is an apocalyptic number.

78533428006771 is a deficient number, since it is larger than the sum of its proper divisors (4619724979853).

78533428006771 is a wasteful number, since it uses less digits than its factorization.

78533428006771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6198221.

The product of its (nonzero) digits is 47416320, while the sum is 61.

The spelling of 78533428006771 in words is "seventy-eight trillion, five hundred thirty-three billion, four hundred twenty-eight million, six thousand, seven hundred seventy-one".