791545086464 has 160 divisors (see below), whose sum is σ = 1746171041472. Its totient is φ = 355461120000.

The previous prime is 791545086463. The next prime is 791545086467. The reversal of 791545086464 is 464680545197.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (791545086461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324801854 + ... + 324804290.

Almost surely, 2^791545086464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 791545086464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (873085520736).

791545086464 is an abundant number, since it is smaller than the sum of its proper divisors (954625955008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

791545086464 is a wasteful number, since it uses less digits than its factorization.

791545086464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138 (or 3122 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 59.

The spelling of 791545086464 in words is "seven hundred ninety-one billion, five hundred forty-five million, eighty-six thousand, four hundred sixty-four".