38378787925 has 6 divisors (see below), whose sum is σ = 47589697058. Its totient is φ = 30703030320.

The previous prime is 38378787913. The next prime is 38378787947. The reversal of 38378787925 is 52978787383.

It can be written as a sum of positive squares in 3 ways, for example, as 84603204 + 38294184721 = 9198^2 + 195689^2 .

It is not a de Polignac number, because 38378787925 - 2²³ = 38370399317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 767575734 + ... + 767575783.

Almost surely, 2^38378787925 is an apocalyptic number.

It is an amenable number.

38378787925 is a deficient number, since it is larger than the sum of its proper divisors (9210909133).

38378787925 is a wasteful number, since it uses less digits than its factorization.

38378787925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535151527 (or 1535151522 counting only the distinct ones).

The product of its digits is 142248960, while the sum is 67.

The spelling of 38378787925 in words is "thirty-eight billion, three hundred seventy-eight million, seven hundred eighty-seven thousand, nine hundred twenty-five".