213842767726 has 32 divisors (see below), whose sum is σ = 370406919168. Its totient is φ = 90693002400.

The previous prime is 213842767643. The next prime is 213842767739. The reversal of 213842767726 is 627767248312.

It is a super-2 number, since 2×213842767726² (a number of 23 digits) contains 22 as substring.

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, 2794491 + ... + 2869993.

It is an arithmetic number, because the mean of its divisors is an integer number (11575216224).

Almost surely, 2^213842767726 is an apocalyptic number.

213842767726 is a deficient number, since it is larger than the sum of its proper divisors (156564151442).

213842767726 is a wasteful number, since it uses less digits than its factorization.

213842767726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77616.

The product of its digits is 9483264, while the sum is 55.

The spelling of 213842767726 in words is "two hundred thirteen billion, eight hundred forty-two million, seven hundred sixty-seven thousand, seven hundred twenty-six".