213400877 has 8 divisors (see below), whose sum is σ = 223275840. Its totient is φ = 203575680.

The previous prime is 213400861. The next prime is 213400903. The reversal of 213400877 is 778004312.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 213400877 - 2⁴ = 213400861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213400177) 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, 3524 + ... + 20957.

It is an arithmetic number, because the mean of its divisors is an integer number (27909480).

Almost surely, 2^213400877 is an apocalyptic number.

It is an amenable number.

213400877 is a deficient number, since it is larger than the sum of its proper divisors (9874963).

213400877 is a wasteful number, since it uses less digits than its factorization.

213400877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24883.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 213400877 is about 14608.2468831821. The cubic root of 213400877 is about 597.5836867428.

The spelling of 213400877 in words is "two hundred thirteen million, four hundred thousand, eight hundred seventy-seven".