806627065542 has 64 divisors (see below), whose sum is σ = 1685000724480. Its totient is φ = 257098512384.

The previous prime is 806627065523. The next prime is 806627065549. The reversal of 806627065542 is 245560726608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806627065549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102450918 + ... + 102458790.

It is an arithmetic number, because the mean of its divisors is an integer number (26328136320).

Almost surely, 2^806627065542 is an apocalyptic number.

806627065542 is an abundant number, since it is smaller than the sum of its proper divisors (878373658938).

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

806627065542 is a wasteful number, since it uses less digits than its factorization.

806627065542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13517.

The product of its (nonzero) digits is 4838400, while the sum is 51.

The spelling of 806627065542 in words is "eight hundred six billion, six hundred twenty-seven million, sixty-five thousand, five hundred forty-two".