655202078 has 4 divisors (see below), whose sum is σ = 982803120. Its totient is φ = 327601038.

The previous prime is 655202077. The next prime is 655202087. The reversal of 655202078 is 870202556.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655202077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163800518 + ... + 163800521.

It is an arithmetic number, because the mean of its divisors is an integer number (245700780).

Almost surely, 2^655202078 is an apocalyptic number.

655202078 is a deficient number, since it is larger than the sum of its proper divisors (327601042).

655202078 is a wasteful number, since it uses less digits than its factorization.

655202078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327601041.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 655202078 is about 25596.9154001024. The cubic root of 655202078 is about 868.5438618066.

The spelling of 655202078 in words is "six hundred fifty-five million, two hundred two thousand, seventy-eight".