3775978113 has 4 divisors (see below), whose sum is σ = 5034637488. Its totient is φ = 2517318740.

The previous prime is 3775978093. The next prime is 3775978117. The reversal of 3775978113 is 3118795773.

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: 3118795773 = 3 ⋅1039598591.

It is a cyclic number.

It is not a de Polignac number, because 3775978113 - 2¹² = 3775974017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3775978117) 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, 629329683 + ... + 629329688.

It is an arithmetic number, because the mean of its divisors is an integer number (1258659372).

Almost surely, 2^3775978113 is an apocalyptic number.

It is an amenable number.

3775978113 is a deficient number, since it is larger than the sum of its proper divisors (1258659375).

3775978113 is a wasteful number, since it uses less digits than its factorization.

3775978113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258659374.

The product of its digits is 1111320, while the sum is 51.

The square root of 3775978113 is about 61448.9878923974. The cubic root of 3775978113 is about 1557.1955576566.

The spelling of 3775978113 in words is "three billion, seven hundred seventy-five million, nine hundred seventy-eight thousand, one hundred thirteen".