61487908 has 6 divisors (see below), whose sum is σ = 107603846. Its totient is φ = 30743952.

The previous prime is 61487903. The next prime is 61487953. The reversal of 61487908 is 80978416.

61487908 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 57638464 + 3849444 = 7592^2 + 1962^2 .

It is not an unprimeable number, because it can be changed into a prime (61487903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7685985 + ... + 7685992.

Almost surely, 2^61487908 is an apocalyptic number.

It is an amenable number.

61487908 is a deficient number, since it is larger than the sum of its proper divisors (46115938).

61487908 is a wasteful number, since it uses less digits than its factorization.

61487908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15371981 (or 15371979 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 61487908 is about 7841.4225750179. The cubic root of 61487908 is about 394.6964671288.

The spelling of 61487908 in words is "sixty-one million, four hundred eighty-seven thousand, nine hundred eight".