867800906577 has 24 divisors (see below), whose sum is σ = 1426897937088. Its totient is φ = 503072988000.

The previous prime is 867800906549. The next prime is 867800906593. The reversal of 867800906577 is 775609008768.

It is not a de Polignac number, because 867800906577 - 2¹⁶ = 867800841041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (867800906507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190555674 + ... + 190560227.

It is an arithmetic number, because the mean of its divisors is an integer number (59454080712).

Almost surely, 2^867800906577 is an apocalyptic number.

It is an amenable number.

867800906577 is a deficient number, since it is larger than the sum of its proper divisors (559097030511).

867800906577 is a wasteful number, since it uses less digits than its factorization.

867800906577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381115941 (or 381115938 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 63.

The spelling of 867800906577 in words is "eight hundred sixty-seven billion, eight hundred million, nine hundred six thousand, five hundred seventy-seven".