61265886 has 16 divisors (see below), whose sum is σ = 133671168. Its totient is φ = 18565400.

The previous prime is 61265881. The next prime is 61265917. The reversal of 61265886 is 68856216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61265881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464070 + ... + 464201.

It is an arithmetic number, because the mean of its divisors is an integer number (8354448).

Almost surely, 2^61265886 is an apocalyptic number.

61265886 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

61265886 is an abundant number, since it is smaller than the sum of its proper divisors (72405282).

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

61265886 is a wasteful number, since it uses less digits than its factorization.

61265886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928287.

The product of its digits is 138240, while the sum is 42.

The square root of 61265886 is about 7827.2527747608. The cubic root of 61265886 is about 394.2208343976.

The spelling of 61265886 in words is "sixty-one million, two hundred sixty-five thousand, eight hundred eighty-six".