26992463 has 4 divisors (see below), whose sum is σ = 27005280. Its totient is φ = 26979648.

The previous prime is 26992457. The next prime is 26992477. The reversal of 26992463 is 36429962.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36429962 = 2 ⋅18214981.

It is a cyclic number.

It is not a de Polignac number, because 26992463 - 2¹⁶ = 26926927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26992463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26992403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2423 + ... + 7736.

It is an arithmetic number, because the mean of its divisors is an integer number (6751320).

Almost surely, 2^26992463 is an apocalyptic number.

26992463 is a deficient number, since it is larger than the sum of its proper divisors (12817).

26992463 is a wasteful number, since it uses less digits than its factorization.

26992463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12816.

The product of its digits is 139968, while the sum is 41.

The square root of 26992463 is about 5195.4271239235. The cubic root of 26992463 is about 299.9720825873.

The spelling of 26992463 in words is "twenty-six million, nine hundred ninety-two thousand, four hundred sixty-three".