655815200079 has 8 divisors (see below), whose sum is σ = 941683364272. Its totient is φ = 403578584640.

The previous prime is 655815200077. The next prime is 655815200149. The reversal of 655815200079 is 970002518556.

It is a happy number.

655815200079 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 655815200079 - 2¹ = 655815200077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655815200071) 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, 8407887142 + ... + 8407887219.

It is an arithmetic number, because the mean of its divisors is an integer number (117710420534).

Almost surely, 2^655815200079 is an apocalyptic number.

655815200079 is a deficient number, since it is larger than the sum of its proper divisors (285868164193).

655815200079 is a wasteful number, since it uses less digits than its factorization.

655815200079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16815774377.

The product of its (nonzero) digits is 756000, while the sum is 48.

The spelling of 655815200079 in words is "six hundred fifty-five billion, eight hundred fifteen million, two hundred thousand, seventy-nine".