26428377 has 4 divisors (see below), whose sum is σ = 35237840. Its totient is φ = 17618916.

The previous prime is 26428349. The next prime is 26428379. The reversal of 26428377 is 77382462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 26428377 - 2⁸ = 26428121 is a prime.

It is a super-2 number, since 2×26428377² = 1396918221708258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26428379) 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 3 ways as a sum of consecutive naturals, for example, 4404727 + ... + 4404732.

It is an arithmetic number, because the mean of its divisors is an integer number (8809460).

Almost surely, 2^26428377 is an apocalyptic number.

It is an amenable number.

26428377 is a deficient number, since it is larger than the sum of its proper divisors (8809463).

26428377 is an equidigital number, since it uses as much as digits as its factorization.

26428377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8809462.

The product of its digits is 112896, while the sum is 39.

The square root of 26428377 is about 5140.8537228752. The cubic root of 26428377 is about 297.8677588408.

The spelling of 26428377 in words is "twenty-six million, four hundred twenty-eight thousand, three hundred seventy-seven".