61828851 has 8 divisors (see below), whose sum is σ = 94215424. Its totient is φ = 35330760.

The previous prime is 61828817. The next prime is 61828889. The reversal of 61828851 is 15882816.

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

It is not a de Polignac number, because 61828851 - 2¹³ = 61820659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61828651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1472095 + ... + 1472136.

It is an arithmetic number, because the mean of its divisors is an integer number (11776928).

Almost surely, 2^61828851 is an apocalyptic number.

61828851 is a deficient number, since it is larger than the sum of its proper divisors (32386573).

61828851 is a wasteful number, since it uses less digits than its factorization.

61828851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944241.

The product of its digits is 30720, while the sum is 39.

The square root of 61828851 is about 7863.1323911022. The cubic root of 61828851 is about 395.4246376065.

It can be divided in two parts, 6182885 and 1, that added together give a triangular number (6182886 = T₃₅₁₆).

The spelling of 61828851 in words is "sixty-one million, eight hundred twenty-eight thousand, eight hundred fifty-one".