213478036279 has 8 divisors (see below), whose sum is σ = 216986187888. Its totient is φ = 209970159360.

The previous prime is 213478036267. The next prime is 213478036297. The reversal of 213478036279 is 972630874312.

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

It is not a de Polignac number, because 213478036279 - 2³⁷ = 76039082807 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 (213478036579) 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, 2011719 + ... + 2115175.

It is an arithmetic number, because the mean of its divisors is an integer number (27123273486).

Almost surely, 2^213478036279 is an apocalyptic number.

213478036279 is a deficient number, since it is larger than the sum of its proper divisors (3508151609).

213478036279 is a wasteful number, since it uses less digits than its factorization.

213478036279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137345.

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 213478036279 in words is "two hundred thirteen billion, four hundred seventy-eight million, thirty-six thousand, two hundred seventy-nine".