8772623402478 has 64 divisors (see below), whose sum is σ = 20111090614272. Its totient is φ = 2527187166720.

The previous prime is 8772623402471. The next prime is 8772623402479. The reversal of 8772623402478 is 8742043262778.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8772623402471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17065726 + ... + 17572257.

It is an arithmetic number, because the mean of its divisors is an integer number (314235790848).

Almost surely, 2^{8772623402478} is an apocalyptic number.

8772623402478 is an abundant number, since it is smaller than the sum of its proper divisors (11338467211794).

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

8772623402478 is a wasteful number, since it uses less digits than its factorization.

8772623402478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34638209.

The product of its (nonzero) digits is 50577408, while the sum is 60.

The spelling of 8772623402478 in words is "eight trillion, seven hundred seventy-two billion, six hundred twenty-three million, four hundred two thousand, four hundred seventy-eight".