72886155477 has 8 divisors (see below), whose sum is σ = 98411687040. Its totient is φ = 47975697120.

The previous prime is 72886155467. The next prime is 72886155481. The reversal of 72886155477 is 77455168827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72886155477 - 2¹¹ = 72886153429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72886155477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72886155457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153768024 + ... + 153768497.

It is an arithmetic number, because the mean of its divisors is an integer number (12301460880).

Almost surely, 2^72886155477 is an apocalyptic number.

It is an amenable number.

72886155477 is a deficient number, since it is larger than the sum of its proper divisors (25525531563).

72886155477 is a wasteful number, since it uses less digits than its factorization.

72886155477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307536603.

The product of its digits is 26342400, while the sum is 60.

The spelling of 72886155477 in words is "seventy-two billion, eight hundred eighty-six million, one hundred fifty-five thousand, four hundred seventy-seven".