263349087 has 8 divisors (see below), whose sum is σ = 363240240. Its totient is φ = 169512000.

The previous prime is 263349059. The next prime is 263349089. The reversal of 263349087 is 780943362.

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

It is a de Polignac number, because none of the positive numbers 2^k-263349087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263349089) 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, 1513414 + ... + 1513587.

It is an arithmetic number, because the mean of its divisors is an integer number (45405030).

Almost surely, 2^263349087 is an apocalyptic number.

263349087 is a deficient number, since it is larger than the sum of its proper divisors (99891153).

263349087 is a wasteful number, since it uses less digits than its factorization.

263349087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3027033.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 263349087 is about 16228.0339844357. The cubic root of 263349087 is about 640.9792033608.

The spelling of 263349087 in words is "two hundred sixty-three million, three hundred forty-nine thousand, eighty-seven".