2158783334 has 8 divisors (see below), whose sum is σ = 3238439400. Its totient is φ = 1079303536.

The previous prime is 2158783313. The next prime is 2158783397. The reversal of 2158783334 is 4333878512.

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, 7319 + ... + 66114.

It is an arithmetic number, because the mean of its divisors is an integer number (404804925).

Almost surely, 2^2158783334 is an apocalyptic number.

2158783334 is a deficient number, since it is larger than the sum of its proper divisors (1079656066).

2158783334 is a wasteful number, since it uses less digits than its factorization.

2158783334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88134.

The product of its digits is 483840, while the sum is 44.

The square root of 2158783334 is about 46462.7090686714. The cubic root of 2158783334 is about 1292.4180621909.

The spelling of 2158783334 in words is "two billion, one hundred fifty-eight million, seven hundred eighty-three thousand, three hundred thirty-four".