7801397219085 has 16 divisors (see below), whose sum is σ = 12717749430144. Its totient is φ = 4082240556992.

The previous prime is 7801397219053. The next prime is 7801397219101. The reversal of 7801397219085 is 5809127931087.

It is a cyclic number.

It is not a de Polignac number, because 7801397219085 - 2⁵ = 7801397219053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4906538337 + ... + 4906539926.

It is an arithmetic number, because the mean of its divisors is an integer number (794859339384).

Almost surely, 2^{7801397219085} is an apocalyptic number.

It is an amenable number.

7801397219085 is a deficient number, since it is larger than the sum of its proper divisors (4916352211059).

7801397219085 is a wasteful number, since it uses less digits than its factorization.

7801397219085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9813078324.

The product of its (nonzero) digits is 7620480, while the sum is 60.

The spelling of 7801397219085 in words is "seven trillion, eight hundred one billion, three hundred ninety-seven million, two hundred nineteen thousand, eighty-five".