44878479975 has 192 divisors, whose sum is σ = 95993856000. Its totient is φ = 20133360000.

The previous prime is 44878479973. The next prime is 44878480001. The reversal of 44878479975 is 57997487844.

44878479975 is a `hidden beast` number, since 4 + 4 + 87 + 8 + 479 + 9 + 75 = 666.

It is not a de Polignac number, because 44878479975 - 2¹ = 44878479973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44878479973) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 93691786 + ... + 93692264.

It is an arithmetic number, because the mean of its divisors is an integer number (499968000).

Almost surely, 2^44878479975 is an apocalyptic number.

44878479975 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

44878479975 is an abundant number, since it is smaller than the sum of its proper divisors (51115376025).

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

44878479975 is a wasteful number, since it uses less digits than its factorization.

44878479975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835 (or 824 counting only the distinct ones).

The product of its digits is 568995840, while the sum is 72.

The spelling of 44878479975 in words is "forty-four billion, eight hundred seventy-eight million, four hundred seventy-nine thousand, nine hundred seventy-five".