59778654406 has 4 divisors (see below), whose sum is σ = 89667981612. Its totient is φ = 29889327202.

The previous prime is 59778654379. The next prime is 59778654407. The reversal of 59778654406 is 60445687795.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (59778654407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14944663600 + ... + 14944663603.

It is an arithmetic number, because the mean of its divisors is an integer number (22416995403).

Almost surely, 2^59778654406 is an apocalyptic number.

59778654406 is a deficient number, since it is larger than the sum of its proper divisors (29889327206).

59778654406 is a wasteful number, since it uses less digits than its factorization.

59778654406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29889327205.

The product of its (nonzero) digits is 50803200, while the sum is 61.

The spelling of 59778654406 in words is "fifty-nine billion, seven hundred seventy-eight million, six hundred fifty-four thousand, four hundred six".