4457978280407 has 8 divisors (see below), whose sum is σ = 4500519709056. Its totient is φ = 4415625506232.

The previous prime is 4457978280403. The next prime is 4457978280499. The reversal of 4457978280407 is 7040828797544.

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

It is a cyclic number.

It is not a de Polignac number, because 4457978280407 - 2² = 4457978280403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4457978280401) 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 7 ways as a sum of consecutive naturals, for example, 47116133 + ... + 47210654.

It is an arithmetic number, because the mean of its divisors is an integer number (562564963632).

Almost surely, 2^{4457978280407} is an apocalyptic number.

4457978280407 is a deficient number, since it is larger than the sum of its proper divisors (42541428649).

4457978280407 is a wasteful number, since it uses less digits than its factorization.

4457978280407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94327237.

The product of its (nonzero) digits is 126443520, while the sum is 65.

The spelling of 4457978280407 in words is "four trillion, four hundred fifty-seven billion, nine hundred seventy-eight million, two hundred eighty thousand, four hundred seven".