872741566 has 8 divisors (see below), whose sum is σ = 1333812744. Its totient is φ = 428137320.

The previous prime is 872741521. The next prime is 872741581. The reversal of 872741566 is 665147278.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4116600 + ... + 4116811.

It is an arithmetic number, because the mean of its divisors is an integer number (166726593).

Almost surely, 2^872741566 is an apocalyptic number.

872741566 is a deficient number, since it is larger than the sum of its proper divisors (461071178).

872741566 is a wasteful number, since it uses less digits than its factorization.

872741566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8233466.

The product of its digits is 564480, while the sum is 46.

The square root of 872741566 is about 29542.1997488339. The cubic root of 872741566 is about 955.6419816537.

The spelling of 872741566 in words is "eight hundred seventy-two million, seven hundred forty-one thousand, five hundred sixty-six".