3778498995 has 32 divisors (see below), whose sum is σ = 6341248512. Its totient is φ = 1917560832.

The previous prime is 3778498991. The next prime is 3778499029. The reversal of 3778498995 is 5998948773.

It is not a de Polignac number, because 3778498995 - 2² = 3778498991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is not an unprimeable number, because it can be changed into a prime (3778498991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38212 + ... + 94958.

It is an arithmetic number, because the mean of its divisors is an integer number (198164016).

Almost surely, 2^3778498995 is an apocalyptic number.

3778498995 is a deficient number, since it is larger than the sum of its proper divisors (2562749517).

3778498995 is a wasteful number, since it uses less digits than its factorization.

3778498995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56971.

The product of its digits is 137168640, while the sum is 69.

The square root of 3778498995 is about 61469.4964596262. The cubic root of 3778498995 is about 1557.5420138496.

The spelling of 3778498995 in words is "three billion, seven hundred seventy-eight million, four hundred ninety-eight thousand, nine hundred ninety-five".