61486885 has 8 divisors (see below), whose sum is σ = 74718720. Its totient is φ = 48566544.

The previous prime is 61486871. The next prime is 61486903. The reversal of 61486885 is 58868416.

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 61486885 - 2⁵ = 61486853 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77437 + ... + 78226.

It is an arithmetic number, because the mean of its divisors is an integer number (9339840).

Almost surely, 2^61486885 is an apocalyptic number.

It is an amenable number.

61486885 is a deficient number, since it is larger than the sum of its proper divisors (13231835).

61486885 is a wasteful number, since it uses less digits than its factorization.

61486885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155747.

The product of its digits is 368640, while the sum is 46.

The square root of 61486885 is about 7841.3573442358. The cubic root of 61486885 is about 394.6942782067.

The spelling of 61486885 in words is "sixty-one million, four hundred eighty-six thousand, eight hundred eighty-five".