39278004093 has 12 divisors (see below), whose sum is σ = 60072241788. Its totient is φ = 24645022080.

The previous prime is 39278004079. The next prime is 39278004179. The reversal of 39278004093 is 39040087293.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28424948409 + 10853055684 = 168597^2 + 104178^2 .

It is not a de Polignac number, because 39278004093 - 2⁹ = 39278003581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39278004193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128359338 + ... + 128359643.

It is an arithmetic number, because the mean of its divisors is an integer number (5006020149).

Almost surely, 2^39278004093 is an apocalyptic number.

It is an amenable number.

39278004093 is a deficient number, since it is larger than the sum of its proper divisors (20794237695).

39278004093 is a wasteful number, since it uses less digits than its factorization.

39278004093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256719004 (or 256719001 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 39278004093 in words is "thirty-nine billion, two hundred seventy-eight million, four thousand, ninety-three".