214813354778 has 8 divisors (see below), whose sum is σ = 351512762400. Its totient is φ = 97642433980.

The previous prime is 214813354757. The next prime is 214813354783. The reversal of 214813354778 is 877453318412.

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

It is a super-2 number, since 2×214813354778² (a number of 23 digits) contains 22 as substring.

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, 4882121678 + ... + 4882121721.

It is an arithmetic number, because the mean of its divisors is an integer number (43939095300).

Almost surely, 2^214813354778 is an apocalyptic number.

214813354778 is a deficient number, since it is larger than the sum of its proper divisors (136699407622).

214813354778 is a wasteful number, since it uses less digits than its factorization.

214813354778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9764243412.

The product of its digits is 4515840, while the sum is 53.

The spelling of 214813354778 in words is "two hundred fourteen billion, eight hundred thirteen million, three hundred fifty-four thousand, seven hundred seventy-eight".