2078089577 has 4 divisors (see below), whose sum is σ = 2081820996. Its totient is φ = 2074358160.

The previous prime is 2078089553. The next prime is 2078089591. The reversal of 2078089577 is 7759808702.

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

It can be written as a sum of positive squares in 2 ways, for example, as 611276176 + 1466813401 = 24724^2 + 38299^2 .

It is a cyclic number.

It is not a de Polignac number, because 2078089577 - 2²² = 2073895273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2078089547) 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, 1864874 + ... + 1865987.

It is an arithmetic number, because the mean of its divisors is an integer number (520455249).

Almost surely, 2^2078089577 is an apocalyptic number.

It is an amenable number.

2078089577 is a deficient number, since it is larger than the sum of its proper divisors (3731419).

2078089577 is an equidigital number, since it uses as much as digits as its factorization.

2078089577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3731418.

The product of its (nonzero) digits is 1975680, while the sum is 53.

The square root of 2078089577 is about 45586.0677948866. The cubic root of 2078089577 is about 1276.1099297085.

The spelling of 2078089577 in words is "two billion, seventy-eight million, eighty-nine thousand, five hundred seventy-seven".