2026780061 has 8 divisors (see below), whose sum is σ = 2036416320. Its totient is φ = 2017161792.

The previous prime is 2026780051. The next prime is 2026780073. The reversal of 2026780061 is 1600876202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2026780061 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 (2026780051) 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, 256181 + ... + 263973.

It is an arithmetic number, because the mean of its divisors is an integer number (254552040).

Almost surely, 2^2026780061 is an apocalyptic number.

It is an amenable number.

2026780061 is a deficient number, since it is larger than the sum of its proper divisors (9636259).

2026780061 is an equidigital number, since it uses as much as digits as its factorization.

2026780061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8995.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2026780061 is about 45019.7741109393. The cubic root of 2026780061 is about 1265.5195959497.

The spelling of 2026780061 in words is "two billion, twenty-six million, seven hundred eighty thousand, sixty-one".