1941256878 has 32 divisors (see below), whose sum is σ = 4237702272. Its totient is φ = 587949600.

The previous prime is 1941256873. The next prime is 1941256883. The reversal of 1941256878 is 8786521491.

It is an interprime number because it is at equal distance from previous prime (1941256873) and next prime (1941256883).

It is a self number, because there is not a number n which added to its sum of digits gives 1941256878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1941256873) 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 15 ways as a sum of consecutive naturals, for example, 139413 + ... + 152703.

It is an arithmetic number, because the mean of its divisors is an integer number (132428196).

Almost surely, 2^1941256878 is an apocalyptic number.

1941256878 is an abundant number, since it is smaller than the sum of its proper divisors (2296445394).

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

1941256878 is a wasteful number, since it uses less digits than its factorization.

1941256878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15520.

The product of its digits is 967680, while the sum is 51.

The square root of 1941256878 is about 44059.6967533822. The cubic root of 1941256878 is about 1247.4629883143.

The spelling of 1941256878 in words is "one billion, nine hundred forty-one million, two hundred fifty-six thousand, eight hundred seventy-eight".