26980495 has 8 divisors (see below), whose sum is σ = 33784416. Its totient is φ = 20645856.

The previous prime is 26980463. The next prime is 26980507. The reversal of 26980495 is 59408962.

26980495 = 591² + 592² + ... + 659².

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

It is a cyclic number.

It is not a de Polignac number, because 26980495 - 2⁵ = 26980463 is a prime.

It is a super-2 number, since 2×26980495² = 1455894220890050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117192 + ... + 117421.

It is an arithmetic number, because the mean of its divisors is an integer number (4223052).

Almost surely, 2^26980495 is an apocalyptic number.

26980495 is a deficient number, since it is larger than the sum of its proper divisors (6803921).

26980495 is a wasteful number, since it uses less digits than its factorization.

26980495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234641.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 26980495 is about 5194.2752141179. The cubic root of 26980495 is about 299.9277418565.

The spelling of 26980495 in words is "twenty-six million, nine hundred eighty thousand, four hundred ninety-five".