61084878 has 8 divisors (see below), whose sum is σ = 122169768. Its totient is φ = 20361624.

The previous prime is 61084873. The next prime is 61084879. The reversal of 61084878 is 87848016.

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

61084878 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61084873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5090401 + ... + 5090412.

It is an arithmetic number, because the mean of its divisors is an integer number (15271221).

Almost surely, 2^61084878 is an apocalyptic number.

61084878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61084878 is a wasteful number, since it uses less digits than its factorization.

61084878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10180818.

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 61084878 is about 7815.6815441777. The cubic root of 61084878 is about 393.8322140245.

The spelling of 61084878 in words is "sixty-one million, eighty-four thousand, eight hundred seventy-eight".