3778993479 has 8 divisors (see below), whose sum is σ = 5040112000. Its totient is φ = 2518601976.

The previous prime is 3778993469. The next prime is 3778993481. The reversal of 3778993479 is 9743998773.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3778993479 - 2²¹ = 3776896327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3778993459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169507 + ... + 190500.

It is an arithmetic number, because the mean of its divisors is an integer number (630014000).

Almost surely, 2^3778993479 is an apocalyptic number.

3778993479 is a deficient number, since it is larger than the sum of its proper divisors (1261118521).

3778993479 is a wasteful number, since it uses less digits than its factorization.

3778993479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363509.

The product of its digits is 72013536, while the sum is 66.

The square root of 3778993479 is about 61473.5185181392. The cubic root of 3778993479 is about 1557.6099549387.

The spelling of 3778993479 in words is "three billion, seven hundred seventy-eight million, nine hundred ninety-three thousand, four hundred seventy-nine".