4787878356957 has 8 divisors (see below), whose sum is σ = 6385076688384. Its totient is φ = 3191299465088.

The previous prime is 4787878356901. The next prime is 4787878356983. The reversal of 4787878356957 is 7596538787874.

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 4787878356957 - 2⁷ = 4787878356829 is a prime.

It is a super-2 number, since 2×4787878356957² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4787878356957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4787878356257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154841853 + ... + 154872770.

It is an arithmetic number, because the mean of its divisors is an integer number (798134586048).

Almost surely, 2^{4787878356957} is an apocalyptic number.

It is an amenable number.

4787878356957 is a deficient number, since it is larger than the sum of its proper divisors (1597198331427).

4787878356957 is a wasteful number, since it uses less digits than its factorization.

4787878356957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309719779.

The product of its digits is 19914854400, while the sum is 84.

The spelling of 4787878356957 in words is "four trillion, seven hundred eighty-seven billion, eight hundred seventy-eight million, three hundred fifty-six thousand, nine hundred fifty-seven".