37880998989 has 4 divisors (see below), whose sum is σ = 50507998656. Its totient is φ = 25253999324.

The previous prime is 37880998951. The next prime is 37880998997. The reversal of 37880998989 is 98989908873.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98989908873 = 3 ⋅32996636291.

It is a cyclic number.

It is not a de Polignac number, because 37880998989 - 2⁸ = 37880998733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37880991989) 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, 6313499829 + ... + 6313499834.

It is an arithmetic number, because the mean of its divisors is an integer number (12626999664).

Almost surely, 2^37880998989 is an apocalyptic number.

It is an amenable number.

37880998989 is a deficient number, since it is larger than the sum of its proper divisors (12626999667).

37880998989 is a wasteful number, since it uses less digits than its factorization.

37880998989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12626999666.

The product of its (nonzero) digits is 564350976, while the sum is 78.

The spelling of 37880998989 in words is "thirty-seven billion, eight hundred eighty million, nine hundred ninety-eight thousand, nine hundred eighty-nine".