202078291 has 8 divisors (see below), whose sum is σ = 203953680. Its totient is φ = 200211552.

The previous prime is 202078271. The next prime is 202078297. The reversal of 202078291 is 192870202.

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 202078291 - 2⁹ = 202077779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202078297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50521 + ... + 54373.

It is an arithmetic number, because the mean of its divisors is an integer number (25494210).

Almost surely, 2^202078291 is an apocalyptic number.

202078291 is a deficient number, since it is larger than the sum of its proper divisors (1875389).

202078291 is a wasteful number, since it uses less digits than its factorization.

202078291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 202078291 is about 14215.4244044981. The cubic root of 202078291 is about 586.8222246254.

The spelling of 202078291 in words is "two hundred two million, seventy-eight thousand, two hundred ninety-one".