37881275379 has 16 divisors (see below), whose sum is σ = 53083564800. Its totient is φ = 23982384096.

The previous prime is 37881275363. The next prime is 37881275381. The reversal of 37881275379 is 97357218873.

It is a happy number.

It is not a de Polignac number, because 37881275379 - 2⁴ = 37881275363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (37881275339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1965244 + ... + 1984425.

It is an arithmetic number, because the mean of its divisors is an integer number (3317722800).

Almost surely, 2^37881275379 is an apocalyptic number.

37881275379 is a deficient number, since it is larger than the sum of its proper divisors (15202289421).

37881275379 is a wasteful number, since it uses less digits than its factorization.

37881275379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949834.

The product of its digits is 17781120, while the sum is 60.

The spelling of 37881275379 in words is "thirty-seven billion, eight hundred eighty-one million, two hundred seventy-five thousand, three hundred seventy-nine".