3978522038119 has 8 divisors (see below), whose sum is σ = 3992123244240. Its totient is φ = 3964927440576.

The previous prime is 3978522038093. The next prime is 3978522038191. The reversal of 3978522038119 is 9118302258793.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3978522038119 - 2²³ = 3978513649511 is a prime.

It is a super-2 number, since 2×3978522038119² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3978522032119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444534 + ... + 2855635.

It is an arithmetic number, because the mean of its divisors is an integer number (499015405530).

Almost surely, 2^{3978522038119} is an apocalyptic number.

3978522038119 is a deficient number, since it is larger than the sum of its proper divisors (13601206121).

3978522038119 is a wasteful number, since it uses less digits than its factorization.

3978522038119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3304289.

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 3978522038119 in words is "three trillion, nine hundred seventy-eight billion, five hundred twenty-two million, thirty-eight thousand, one hundred nineteen".