2039778054 has 24 divisors (see below), whose sum is σ = 4422966912. Its totient is φ = 679395600.

The previous prime is 2039778049. The next prime is 2039778061. The reversal of 2039778054 is 4508779302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20134 + ... + 66969.

It is an arithmetic number, because the mean of its divisors is an integer number (184290288).

Almost surely, 2^2039778054 is an apocalyptic number.

2039778054 is an abundant number, since it is smaller than the sum of its proper divisors (2383188858).

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

2039778054 is a wasteful number, since it uses less digits than its factorization.

2039778054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88412 (or 88409 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 2039778054 is about 45163.9021121958. The cubic root of 2039778054 is about 1268.2191449032.

The spelling of 2039778054 in words is "two billion, thirty-nine million, seven hundred seventy-eight thousand, fifty-four".