2077167947 has 4 divisors (see below), whose sum is σ = 2077598736. Its totient is φ = 2076737160.

The previous prime is 2077167941. The next prime is 2077167971. The reversal of 2077167947 is 7497617702.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2077167947 - 2⁸ = 2077167691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2077167895 and 2077167904.

It is not an unprimeable number, because it can be changed into a prime (2077167941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208079 + ... + 217832.

It is an arithmetic number, because the mean of its divisors is an integer number (519399684).

Almost surely, 2^2077167947 is an apocalyptic number.

2077167947 is a deficient number, since it is larger than the sum of its proper divisors (430789).

2077167947 is an equidigital number, since it uses as much as digits as its factorization.

2077167947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430788.

The product of its (nonzero) digits is 1037232, while the sum is 50.

The square root of 2077167947 is about 45575.9579932227. The cubic root of 2077167947 is about 1275.9212507864.

The spelling of 2077167947 in words is "two billion, seventy-seven million, one hundred sixty-seven thousand, nine hundred forty-seven".