26478002 has 4 divisors (see below), whose sum is σ = 39717006. Its totient is φ = 13239000.

The previous prime is 26477989. The next prime is 26478013. The reversal of 26478002 is 20087462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15594601 + 10883401 = 3949^2 + 3299^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6619499 + ... + 6619502.

Almost surely, 2^26478002 is an apocalyptic number.

26478002 is a deficient number, since it is larger than the sum of its proper divisors (13239004).

26478002 is a wasteful number, since it uses less digits than its factorization.

26478002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13239003.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 26478002 is about 5145.6779922572. The cubic root of 26478002 is about 298.0540793405.

The spelling of 26478002 in words is "twenty-six million, four hundred seventy-eight thousand, two".