2082177777 has 8 divisors (see below), whose sum is σ = 2840800864. Its totient is φ = 1355836608.

The previous prime is 2082177767. The next prime is 2082177781. The reversal of 2082177777 is 7777712802.

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

It is not a de Polignac number, because 2082177777 - 2⁴ = 2082177761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2082177767) 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, 8070328 + ... + 8070585.

It is an arithmetic number, because the mean of its divisors is an integer number (355100108).

Almost surely, 2^2082177777 is an apocalyptic number.

It is an amenable number.

2082177777 is a deficient number, since it is larger than the sum of its proper divisors (758623087).

2082177777 is a wasteful number, since it uses less digits than its factorization.

2082177777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16140959.

The product of its (nonzero) digits is 537824, while the sum is 48.

The square root of 2082177777 is about 45630.8862175610. The cubic root of 2082177777 is about 1276.9462066586.

The spelling of 2082177777 in words is "two billion, eighty-two million, one hundred seventy-seven thousand, seven hundred seventy-seven".