213507672896 has 56 divisors (see below), whose sum is σ = 484433026560. Its totient is φ = 91460178432.

The previous prime is 213507672871. The next prime is 213507672899. The reversal of 213507672896 is 698276705312.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213507672899) 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, 848870 + ... + 1071258.

It is an arithmetic number, because the mean of its divisors is an integer number (8650589760).

Almost surely, 2^213507672896 is an apocalyptic number.

It is an amenable number.

213507672896 is an abundant number, since it is smaller than the sum of its proper divisors (270925353664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213507672896 is a wasteful number, since it uses less digits than its factorization.

213507672896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224551 (or 224541 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 213507672896 in words is "two hundred thirteen billion, five hundred seven million, six hundred seventy-two thousand, eight hundred ninety-six".