61885828 has 6 divisors (see below), whose sum is σ = 108300206. Its totient is φ = 30942912.

The previous prime is 61885787. The next prime is 61885829. The reversal of 61885828 is 82858816.

It can be written as a sum of positive squares in only one way, i.e., 61434244 + 451584 = 7838^2 + 672^2 .

It is not an unprimeable number, because it can be changed into a prime (61885829) 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 as a sum of consecutive naturals, namely, 7735725 + ... + 7735732.

Almost surely, 2^61885828 is an apocalyptic number.

It is an amenable number.

61885828 is a deficient number, since it is larger than the sum of its proper divisors (46414378).

61885828 is a wasteful number, since it uses less digits than its factorization.

61885828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15471461 (or 15471459 counting only the distinct ones).

The product of its digits is 245760, while the sum is 46.

The square root of 61885828 is about 7866.7546040283. The cubic root of 61885828 is about 395.5460652359.

The spelling of 61885828 in words is "sixty-one million, eight hundred eighty-five thousand, eight hundred twenty-eight".