61986801 has 8 divisors (see below), whose sum is σ = 82995840. Its totient is φ = 41151152.

The previous prime is 61986773. The next prime is 61986829. The reversal of 61986801 is 10868916.

It is an interprime number because it is at equal distance from previous prime (61986773) and next prime (61986829).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61986801 - 2⁹ = 61986289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61986801.

It is not an unprimeable number, because it can be changed into a prime (61986871) 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 7 ways as a sum of consecutive naturals, for example, 42510 + ... + 43943.

It is an arithmetic number, because the mean of its divisors is an integer number (10374480).

Almost surely, 2^61986801 is an apocalyptic number.

It is an amenable number.

61986801 is a deficient number, since it is larger than the sum of its proper divisors (21009039).

61986801 is a wasteful number, since it uses less digits than its factorization.

61986801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86695.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 61986801 is about 7873.1696920618. The cubic root of 61986801 is about 395.7610728396.

The spelling of 61986801 in words is "sixty-one million, nine hundred eighty-six thousand, eight hundred one".