26877642 has 32 divisors (see below), whose sum is σ = 58890240. Its totient is φ = 8110320.

The previous prime is 26877611. The next prime is 26877649. The reversal of 26877642 is 24677862.

It is a junction number, because it is equal to n+sod(n) for n = 26877594 and 26877603.

It is not an unprimeable number, because it can be changed into a prime (26877649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17959 + ... + 19397.

It is an arithmetic number, because the mean of its divisors is an integer number (1840320).

Almost surely, 2^26877642 is an apocalyptic number.

26877642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26877642 is an abundant number, since it is smaller than the sum of its proper divisors (32012598).

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

26877642 is a wasteful number, since it uses less digits than its factorization.

26877642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738.

The product of its digits is 225792, while the sum is 42.

The square root of 26877642 is about 5184.3651491769. The cubic root of 26877642 is about 299.5461359265.

The spelling of 26877642 in words is "twenty-six million, eight hundred seventy-seven thousand, six hundred forty-two".