3778145315 has 8 divisors (see below), whose sum is σ = 5181456480. Its totient is φ = 2590728192.

The previous prime is 3778145291. The next prime is 3778145339. The reversal of 3778145315 is 5135418773.

It is an interprime number because it is at equal distance from previous prime (3778145291) and next prime (3778145339).

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

It is a cyclic number.

It is not a de Polignac number, because 3778145315 - 2⁶ = 3778145251 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53973470 + ... + 53973539.

It is an arithmetic number, because the mean of its divisors is an integer number (647682060).

Almost surely, 2^3778145315 is an apocalyptic number.

3778145315 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3778145315 is a deficient number, since it is larger than the sum of its proper divisors (1403311165).

3778145315 is a wasteful number, since it uses less digits than its factorization.

3778145315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107947021.

The product of its digits is 352800, while the sum is 44.

The square root of 3778145315 is about 61466.6195182393. The cubic root of 3778145315 is about 1557.4934153057.

The spelling of 3778145315 in words is "three billion, seven hundred seventy-eight million, one hundred forty-five thousand, three hundred fifteen".