5402785678855 has 8 divisors (see below), whose sum is σ = 6486165354672. Its totient is φ = 4320346849728.

The previous prime is 5402785678853. The next prime is 5402785678877. The reversal of 5402785678855 is 5588765872045.

It is a happy number.

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 5402785678855 - 2¹ = 5402785678853 is a prime.

It is a super-2 number, since 2×5402785678855² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5402785678853) 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, 235199037 + ... + 235222006.

It is an arithmetic number, because the mean of its divisors is an integer number (810770669334).

Almost surely, 2^{5402785678855} is an apocalyptic number.

5402785678855 is a deficient number, since it is larger than the sum of its proper divisors (1083379675817).

5402785678855 is a wasteful number, since it uses less digits than its factorization.

5402785678855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470423345.

The product of its (nonzero) digits is 752640000, while the sum is 70.

The spelling of 5402785678855 in words is "five trillion, four hundred two billion, seven hundred eighty-five million, six hundred seventy-eight thousand, eight hundred fifty-five".