2206212477877 has 8 divisors (see below), whose sum is σ = 2356662159576. Its totient is φ = 2058059738112.

The previous prime is 2206212477869. The next prime is 2206212477883. The reversal of 2206212477877 is 7787742126022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 535317575716 + 1670894902161 = 731654^2 + 1292631^2 .

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

It is not a de Polignac number, because 2206212477877 - 2³ = 2206212477869 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 (2206212477817) 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, 574233498 + ... + 574237339.

It is an arithmetic number, because the mean of its divisors is an integer number (294582769947).

Almost surely, 2^{2206212477877} is an apocalyptic number.

It is an amenable number.

2206212477877 is a deficient number, since it is larger than the sum of its proper divisors (150449681699).

2206212477877 is a wasteful number, since it uses less digits than its factorization.

2206212477877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148470967.

The product of its (nonzero) digits is 7375872, while the sum is 55.

The spelling of 2206212477877 in words is "two trillion, two hundred six billion, two hundred twelve million, four hundred seventy-seven thousand, eight hundred seventy-seven".