263878058 has 8 divisors (see below), whose sum is σ = 400264740. Its totient is φ = 130456480.

The previous prime is 263878051. The next prime is 263878067. The reversal of 263878058 is 850878362.

It can be written as a sum of positive squares in 2 ways, for example, as 245016409 + 18861649 = 15653^2 + 4343^2 .

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

It is a super-3 number, since 3×263878058³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (263878051) 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, 741053 + ... + 741408.

Almost surely, 2^263878058 is an apocalyptic number.

263878058 is a deficient number, since it is larger than the sum of its proper divisors (136386682).

263878058 is a wasteful number, since it uses less digits than its factorization.

263878058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482552.

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 263878058 is about 16244.3238702016. The cubic root of 263878058 is about 641.4080797900.

The spelling of 263878058 in words is "two hundred sixty-three million, eight hundred seventy-eight thousand, fifty-eight".