213893877 has 8 divisors (see below), whose sum is σ = 289867360. Its totient is φ = 140258160.

The previous prime is 213893863. The next prime is 213893891. The reversal of 213893877 is 778398312.

It is an interprime number because it is at equal distance from previous prime (213893863) and next prime (213893891).

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

It is not a de Polignac number, because 213893877 - 2²³ = 205505269 is a prime.

It is a super-2 number, since 2×213893877² = 91501181236182258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213893807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584227 + ... + 584592.

It is an arithmetic number, because the mean of its divisors is an integer number (36233420).

Almost surely, 2^213893877 is an apocalyptic number.

It is an amenable number.

213893877 is a deficient number, since it is larger than the sum of its proper divisors (75973483).

213893877 is a wasteful number, since it uses less digits than its factorization.

213893877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168883.

The product of its digits is 508032, while the sum is 48.

The square root of 213893877 is about 14625.1111790646. Note that the first 4 decimals coincide. The cubic root of 213893877 is about 598.0435133119.

The spelling of 213893877 in words is "two hundred thirteen million, eight hundred ninety-three thousand, eight hundred seventy-seven".