38888477 has 4 divisors (see below), whose sum is σ = 40142976. Its totient is φ = 37633980.

The previous prime is 38888467. The next prime is 38888513. The reversal of 38888477 is 77488883.

It is a happy number.

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: 77488883 = 83 ⋅933601.

It is a cyclic number.

It is not a de Polignac number, because 38888477 - 2⁶ = 38888413 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 (38888417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627203 + ... + 627264.

It is an arithmetic number, because the mean of its divisors is an integer number (10035744).

Almost surely, 2^38888477 is an apocalyptic number.

It is an amenable number.

38888477 is a deficient number, since it is larger than the sum of its proper divisors (1254499).

38888477 is a wasteful number, since it uses less digits than its factorization.

38888477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254498.

The product of its digits is 2408448, while the sum is 53.

The square root of 38888477 is about 6236.0626199550. The cubic root of 38888477 is about 338.7975894797.

The spelling of 38888477 in words is "thirty-eight million, eight hundred eighty-eight thousand, four hundred seventy-seven".