2070000077 has 8 divisors (see below), whose sum is σ = 2152480440. Its totient is φ = 1988259840.

The previous prime is 2070000059. The next prime is 2070000109. The reversal of 2070000077 is 7700000702.

It can be written as a sum of positive squares in 4 ways, for example, as 44009956 + 2025990121 = 6634^2 + 45011^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2070000077 - 2⁶ = 2070000013 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 (2070000007) 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, 179324 + ... + 190517.

It is an arithmetic number, because the mean of its divisors is an integer number (269060055).

Almost surely, 2^2070000077 is an apocalyptic number.

It is an amenable number.

2070000077 is a deficient number, since it is larger than the sum of its proper divisors (82480363).

2070000077 is a wasteful number, since it uses less digits than its factorization.

2070000077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370063.

The product of its (nonzero) digits is 686, while the sum is 23.

The square root of 2070000077 is about 45497.2535105142. The cubic root of 2070000077 is about 1274.4519140108.

Adding to 2070000077 its reverse (7700000702), we get a palindrome (9770000779).

The spelling of 2070000077 in words is "two billion, seventy million, seventy-seven", and thus it is an aban number and an uban number.