874545444745557 has 32 divisors (see below), whose sum is σ = 1257691207438848. Its totient is φ = 537353727446016.

The previous prime is 874545444745547. The next prime is 874545444745561. The reversal of 874545444745557 is 755547444545478.

It is not a de Polignac number, because 874545444745557 - 2⁶ = 874545444745493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874545444745547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61189908 + ... + 74116770.

It is an arithmetic number, because the mean of its divisors is an integer number (39302850232464).

Almost surely, 2^{874545444745557} is an apocalyptic number.

It is an amenable number.

874545444745557 is a deficient number, since it is larger than the sum of its proper divisors (383145762693291).

874545444745557 is a wasteful number, since it uses less digits than its factorization.

874545444745557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12929549.

The product of its digits is 35123200000, while the sum is 78.

The spelling of 874545444745557 in words is "eight hundred seventy-four trillion, five hundred forty-five billion, four hundred forty-four million, seven hundred forty-five thousand, five hundred fifty-seven".