37940883157 has 4 divisors (see below), whose sum is σ = 37943270316. Its totient is φ = 37938496000.

The previous prime is 37940883143. The next prime is 37940883163. The reversal of 37940883157 is 75138804973.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75138804973 = 271 ⋅277264963.

It can be written as a sum of positive squares in 2 ways, for example, as 32656465521 + 5284417636 = 180711^2 + 72694^2 .

It is a cyclic number.

It is not a de Polignac number, because 37940883157 - 2¹¹ = 37940881109 is a prime.

It is a super-2 number, since 2×37940883157² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 37940883098 and 37940883107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37940883857) 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, 1169578 + ... + 1201579.

It is an arithmetic number, because the mean of its divisors is an integer number (9485817579).

Almost surely, 2^37940883157 is an apocalyptic number.

It is an amenable number.

37940883157 is a deficient number, since it is larger than the sum of its proper divisors (2387159).

37940883157 is a wasteful number, since it uses less digits than its factorization.

37940883157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387158.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 37940883157 in words is "thirty-seven billion, nine hundred forty million, eight hundred eighty-three thousand, one hundred fifty-seven".