3388138477 has 4 divisors (see below), whose sum is σ = 3438707776. Its totient is φ = 3337569180.

The previous prime is 3388138427. The next prime is 3388138499. The reversal of 3388138477 is 7748318833.

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.

It is a cyclic number.

It is not a de Polignac number, because 3388138477 - 2²³ = 3379749869 is a prime.

It is a super-2 number, since 2×3388138477² = 22958964678655759058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3388138427) 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, 25284549 + ... + 25284682.

It is an arithmetic number, because the mean of its divisors is an integer number (859676944).

Almost surely, 2^3388138477 is an apocalyptic number.

It is an amenable number.

3388138477 is a deficient number, since it is larger than the sum of its proper divisors (50569299).

3388138477 is an equidigital number, since it uses as much as digits as its factorization.

3388138477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50569298.

The product of its digits is 2709504, while the sum is 52.

The square root of 3388138477 is about 58207.7183627738. The cubic root of 3388138477 is about 1501.9439207302.

The spelling of 3388138477 in words is "three billion, three hundred eighty-eight million, one hundred thirty-eight thousand, four hundred seventy-seven".