2780108061 has 8 divisors (see below), whose sum is σ = 3708956640. Its totient is φ = 1852332432.

The previous prime is 2780108029. The next prime is 2780108083. The reversal of 2780108061 is 1608010872.

It is a happy number.

2780108061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2780108061 - 2⁵ = 2780108029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2780108011) 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, 262171 + ... + 272568.

It is an arithmetic number, because the mean of its divisors is an integer number (463619580).

Almost surely, 2^2780108061 is an apocalyptic number.

It is an amenable number.

2780108061 is a deficient number, since it is larger than the sum of its proper divisors (928848579).

2780108061 is a wasteful number, since it uses less digits than its factorization.

2780108061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536475.

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 2780108061 is about 52726.7300427402. The cubic root of 2780108061 is about 1406.1140863647.

The spelling of 2780108061 in words is "two billion, seven hundred eighty million, one hundred eight thousand, sixty-one".