878028150561 has 8 divisors (see below), whose sum is σ = 1171204297344. Its totient is φ = 585102052080.

The previous prime is 878028150541. The next prime is 878028150583. The reversal of 878028150561 is 165051820878.

878028150561 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 878028150561 - 2²³ = 878019761953 is a prime.

It is a super-2 number, since 2×878028150561² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (878028150521) 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, 62503881 + ... + 62517926.

It is an arithmetic number, because the mean of its divisors is an integer number (146400537168).

Almost surely, 2^878028150561 is an apocalyptic number.

It is an amenable number.

878028150561 is a deficient number, since it is larger than the sum of its proper divisors (293176146783).

878028150561 is a wasteful number, since it uses less digits than its factorization.

878028150561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125024151.

The product of its (nonzero) digits is 1075200, while the sum is 51.

The spelling of 878028150561 in words is "eight hundred seventy-eight billion, twenty-eight million, one hundred fifty thousand, five hundred sixty-one".