61087388 has 6 divisors (see below), whose sum is σ = 106902936. Its totient is φ = 30543692.

The previous prime is 61087387. The next prime is 61087423. The reversal of 61087388 is 88378016.

61087388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61087387) 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, 7635920 + ... + 7635927.

It is an arithmetic number, because the mean of its divisors is an integer number (17817156).

Almost surely, 2^61087388 is an apocalyptic number.

It is an amenable number.

61087388 is a deficient number, since it is larger than the sum of its proper divisors (45815548).

61087388 is a wasteful number, since it uses less digits than its factorization.

61087388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15271851 (or 15271849 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 61087388 is about 7815.8421171362. The cubic root of 61087388 is about 393.8376081872.

The spelling of 61087388 in words is "sixty-one million, eighty-seven thousand, three hundred eighty-eight".