150677747721 has 8 divisors (see below), whose sum is σ = 223226292960. Its totient is φ = 100451831796.

The previous prime is 150677747677. The next prime is 150677747723. The reversal of 150677747721 is 127747776051.

150677747721 is a `hidden beast` number, since 1 + 506 + 7 + 77 + 47 + 7 + 21 = 666.

It is not a de Polignac number, because 150677747721 - 2¹³ = 150677739529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (150677747723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2790328635 + ... + 2790328688.

It is an arithmetic number, because the mean of its divisors is an integer number (27903286620).

Almost surely, 2^150677747721 is an apocalyptic number.

It is an amenable number.

150677747721 is a deficient number, since it is larger than the sum of its proper divisors (72548545239).

150677747721 is an equidigital number, since it uses as much as digits as its factorization.

150677747721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5580657332 (or 5580657326 counting only the distinct ones).

The product of its (nonzero) digits is 4033680, while the sum is 54.

The spelling of 150677747721 in words is "one hundred fifty billion, six hundred seventy-seven million, seven hundred forty-seven thousand, seven hundred twenty-one".