61959087 has 20 divisors (see below), whose sum is σ = 94713960. Its totient is φ = 40343184.

The previous prime is 61959031. The next prime is 61959089. The reversal of 61959087 is 78095916.

It is not a de Polignac number, because 61959087 - 2¹⁰ = 61958063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61959089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5412 + ... + 12377.

It is an arithmetic number, because the mean of its divisors is an integer number (4735698).

Almost surely, 2^61959087 is an apocalyptic number.

61959087 is a deficient number, since it is larger than the sum of its proper divisors (32754873).

61959087 is a wasteful number, since it uses less digits than its factorization.

61959087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17844 (or 17835 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 61959087 is about 7871.4094671793. The cubic root of 61959087 is about 395.7020830913.

The spelling of 61959087 in words is "sixty-one million, nine hundred fifty-nine thousand, eighty-seven".