2077243485865 has 8 divisors (see below), whose sum is σ = 2553489553608. Its totient is φ = 1621263208320.

The previous prime is 2077243485853. The next prime is 2077243485881. The reversal of 2077243485865 is 5685843427702.

It can be written as a sum of positive squares in 4 ways, for example, as 198633336489 + 1878610149376 = 445683^2 + 1370624^2 .

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

It is not a de Polignac number, because 2077243485865 - 2⁵ = 2077243485833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5066447322 + ... + 5066447731.

It is an arithmetic number, because the mean of its divisors is an integer number (319186194201).

Almost surely, 2^{2077243485865} is an apocalyptic number.

It is an amenable number.

2077243485865 is a deficient number, since it is larger than the sum of its proper divisors (476246067743).

2077243485865 is a wasteful number, since it uses less digits than its factorization.

2077243485865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10132895099.

The product of its (nonzero) digits is 90316800, while the sum is 61.

The spelling of 2077243485865 in words is "two trillion, seventy-seven billion, two hundred forty-three million, four hundred eighty-five thousand, eight hundred sixty-five".