878465356690 has 16 divisors (see below), whose sum is σ = 1614880996992. Its totient is φ = 343909841584.

The previous prime is 878465356663. The next prime is 878465356697. The reversal of 878465356690 is 96653564878.

It is a super-2 number, since 2×878465356690² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (878465356697) 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, 934537144 + ... + 934538083.

It is an arithmetic number, because the mean of its divisors is an integer number (100930062312).

Almost surely, 2^878465356690 is an apocalyptic number.

878465356690 is a deficient number, since it is larger than the sum of its proper divisors (736415640302).

878465356690 is a wasteful number, since it uses less digits than its factorization.

878465356690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869075281.

The product of its (nonzero) digits is 261273600, while the sum is 67.

The spelling of 878465356690 in words is "eight hundred seventy-eight billion, four hundred sixty-five million, three hundred fifty-six thousand, six hundred ninety".