2780147046 has 8 divisors (see below), whose sum is σ = 5560294104. Its totient is φ = 926715680.

The previous prime is 2780147017. The next prime is 2780147059. The reversal of 2780147046 is 6407410872.

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

2780147046 is an admirable number.

It is a super-2 number, since 2×2780147046² = 15458435194765052232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2780146995 and 2780147013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231678915 + ... + 231678926.

It is an arithmetic number, because the mean of its divisors is an integer number (695036763).

Almost surely, 2^2780147046 is an apocalyptic number.

2780147046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2780147046 is a wasteful number, since it uses less digits than its factorization.

2780147046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463357846.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 2780147046 is about 52727.0997305939. The cubic root of 2780147046 is about 1406.1206589031.

It can be divided in two parts, 27801 and 47046, that added together give a palindrome (74847).

The spelling of 2780147046 in words is "two billion, seven hundred eighty million, one hundred forty-seven thousand, forty-six".