72618777283 has 12 divisors (see below), whose sum is σ = 79711732920. Its totient is φ = 66114449856.

The previous prime is 72618777269. The next prime is 72618777307. The reversal of 72618777283 is 38277781627.

It is not a de Polignac number, because 72618777283 - 2⁹ = 72618776771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72618777223) 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 11 ways as a sum of consecutive naturals, for example, 2930793 + ... + 2955466.

It is an arithmetic number, because the mean of its divisors is an integer number (6642644410).

Almost surely, 2^72618777283 is an apocalyptic number.

72618777283 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

72618777283 is a deficient number, since it is larger than the sum of its proper divisors (7092955637).

72618777283 is a wasteful number, since it uses less digits than its factorization.

72618777283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5886358 (or 5886345 counting only the distinct ones).

The product of its digits is 11063808, while the sum is 58.

The spelling of 72618777283 in words is "seventy-two billion, six hundred eighteen million, seven hundred seventy-seven thousand, two hundred eighty-three".