28377371 has 8 divisors (see below), whose sum is σ = 31712688. Its totient is φ = 25168000.

The previous prime is 28377359. The next prime is 28377373. The reversal of 28377371 is 17377382.

28377371 is nontrivially palindromic in base 2.

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

It is not a de Polignac number, because 28377371 - 2¹⁴ = 28360987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28377373) 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, 31010 + ... + 31911.

It is an arithmetic number, because the mean of its divisors is an integer number (3964086).

Almost surely, 2^28377371 is an apocalyptic number.

28377371 is a deficient number, since it is larger than the sum of its proper divisors (3335317).

28377371 is a wasteful number, since it uses less digits than its factorization.

28377371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62973.

The product of its digits is 49392, while the sum is 38.

The square root of 28377371 is about 5327.0414866040. The cubic root of 28377371 is about 305.0170052330.

The spelling of 28377371 in words is "twenty-eight million, three hundred seventy-seven thousand, three hundred seventy-one".