2778358060 has 12 divisors (see below), whose sum is σ = 5834551968. Its totient is φ = 1111343216.

The previous prime is 2778358057. The next prime is 2778358067. The reversal of 2778358060 is 608538772.

It is a self number, because there is not a number n which added to its sum of digits gives 2778358060.

It is not an unprimeable number, because it can be changed into a prime (2778358067) 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, 69458932 + ... + 69458971.

It is an arithmetic number, because the mean of its divisors is an integer number (486212664).

Almost surely, 2^2778358060 is an apocalyptic number.

2778358060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2778358060 is an abundant number, since it is smaller than the sum of its proper divisors (3056193908).

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

2778358060 is a wasteful number, since it uses less digits than its factorization.

2778358060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138917912 (or 138917910 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 2778358060 is about 52710.1324225239. The cubic root of 2778358060 is about 1405.8189878171.

The spelling of 2778358060 in words is "two billion, seven hundred seventy-eight million, three hundred fifty-eight thousand, sixty".