3978072533037 has 16 divisors (see below), whose sum is σ = 5415497482752. Its totient is φ = 2596822015920.

The previous prime is 3978072532991. The next prime is 3978072533047. The reversal of 3978072533037 is 7303352708793.

It is not a de Polignac number, because 3978072533037 - 2⁷ = 3978072532909 is a prime.

It is a super-2 number, since 2×3978072533037² (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 (3978072533047) 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 15 ways as a sum of consecutive naturals, for example, 59222139 + ... + 59289272.

It is an arithmetic number, because the mean of its divisors is an integer number (338468592672).

Almost surely, 2^{3978072533037} is an apocalyptic number.

It is an amenable number.

3978072533037 is a deficient number, since it is larger than the sum of its proper divisors (1437424949715).

3978072533037 is a wasteful number, since it uses less digits than its factorization.

3978072533037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118511648.

The product of its (nonzero) digits is 20003760, while the sum is 57.

The spelling of 3978072533037 in words is "three trillion, nine hundred seventy-eight billion, seventy-two million, five hundred thirty-three thousand, thirty-seven".