2780280092 has 12 divisors (see below), whose sum is σ = 4881037056. Its totient is φ = 1385698080.

The previous prime is 2780280091. The next prime is 2780280103. The reversal of 2780280092 is 2900820872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2780280091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1109084 + ... + 1111587.

It is an arithmetic number, because the mean of its divisors is an integer number (406753088).

Almost surely, 2^2780280092 is an apocalyptic number.

It is an amenable number.

2780280092 is a deficient number, since it is larger than the sum of its proper divisors (2100756964).

2780280092 is a wasteful number, since it uses less digits than its factorization.

2780280092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220988 (or 2220986 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 2780280092 is about 52728.3613627429. The cubic root of 2780280092 is about 1406.1430888612.

The spelling of 2780280092 in words is "two billion, seven hundred eighty million, two hundred eighty thousand, ninety-two".