7855400086154 has 16 divisors (see below), whose sum is σ = 11814730109280. Its totient is φ = 3917162285520.

The previous prime is 7855400086147. The next prime is 7855400086201. The reversal of 7855400086154 is 4516800045587.

It is a junction number, because it is equal to n+sod(n) for n = 7855400086096 and 7855400086105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1434512 + ... + 4215284.

It is an arithmetic number, because the mean of its divisors is an integer number (738420631830).

Almost surely, 2^{7855400086154} is an apocalyptic number.

7855400086154 is a deficient number, since it is larger than the sum of its proper divisors (3959330023126).

7855400086154 is a wasteful number, since it uses less digits than its factorization.

7855400086154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784565.

The product of its (nonzero) digits is 5376000, while the sum is 53.

The spelling of 7855400086154 in words is "seven trillion, eight hundred fifty-five billion, four hundred million, eighty-six thousand, one hundred fifty-four".