78585801454 has 16 divisors (see below), whose sum is σ = 122318951040. Its totient is φ = 37838558520.

The previous prime is 78585801439. The next prime is 78585801473. The reversal of 78585801454 is 45410858587.

It is a junction number, because it is equal to n+sod(n) for n = 78585801395 and 78585801404.

It is a congruent number.

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, 6429024 + ... + 6441235.

It is an arithmetic number, because the mean of its divisors is an integer number (7644934440).

Almost surely, 2^78585801454 is an apocalyptic number.

78585801454 is a deficient number, since it is larger than the sum of its proper divisors (43733149586).

78585801454 is a wasteful number, since it uses less digits than its factorization.

78585801454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12870375.

The product of its (nonzero) digits is 7168000, while the sum is 55.

The spelling of 78585801454 in words is "seventy-eight billion, five hundred eighty-five million, eight hundred one thousand, four hundred fifty-four".