806177315550 has 96 divisors (see below), whose sum is σ = 2003646258432. Its totient is φ = 214515924480.

The previous prime is 806177315497. The next prime is 806177315597. The reversal of 806177315550 is 55513771608.

It is a self number, because there is not a number n which added to its sum of digits gives 806177315550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 204248677 + ... + 204252623.

It is an arithmetic number, because the mean of its divisors is an integer number (20871315192).

Almost surely, 2^806177315550 is an apocalyptic number.

806177315550 is an abundant number, since it is smaller than the sum of its proper divisors (1197468942882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

806177315550 is a wasteful number, since it uses less digits than its factorization.

806177315550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6562 (or 6557 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 48.

The spelling of 806177315550 in words is "eight hundred six billion, one hundred seventy-seven million, three hundred fifteen thousand, five hundred fifty".