37878828 has 24 divisors (see below), whose sum is σ = 95183088. Its totient is φ = 11654976.

The previous prime is 37878821. The next prime is 37878833. The reversal of 37878828 is 82887873.

It is a happy number.

It is a super-2 number, since 2×37878828² = 2869611221307168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (37878821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121251 + ... + 121562.

It is an arithmetic number, because the mean of its divisors is an integer number (3965962).

Almost surely, 2^37878828 is an apocalyptic number.

It is an amenable number.

37878828 is an abundant number, since it is smaller than the sum of its proper divisors (57304260).

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

37878828 is a wasteful number, since it uses less digits than its factorization.

37878828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242833 (or 242831 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 51.

The square root of 37878828 is about 6154.5778084285. The cubic root of 37878828 is about 335.8398116808.

The spelling of 37878828 in words is "thirty-seven million, eight hundred seventy-eight thousand, eight hundred twenty-eight".