38578780 has 24 divisors (see below), whose sum is σ = 85781808. Its totient is φ = 14523648.

The previous prime is 38578733. The next prime is 38578807. The reversal of 38578780 is 8787583.

It is a self number, because there is not a number n which added to its sum of digits gives 38578780.

It is a congruent number.

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, 56394 + ... + 57073.

It is an arithmetic number, because the mean of its divisors is an integer number (3574242).

Almost surely, 2^38578780 is an apocalyptic number.

It is an amenable number.

38578780 is an abundant number, since it is smaller than the sum of its proper divisors (47203028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38578780 is a wasteful number, since it uses less digits than its factorization.

38578780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113493 (or 113491 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 46.

The square root of 38578780 is about 6211.1818521116. The cubic root of 38578780 is about 337.8958282199.

The spelling of 38578780 in words is "thirty-eight million, five hundred seventy-eight thousand, seven hundred eighty".