213777407454 has 16 divisors (see below), whose sum is σ = 460443646992. Its totient is φ = 65777663808.

The previous prime is 213777407423. The next prime is 213777407479. The reversal of 213777407454 is 454704777312.

213777407454 is digitally balanced in base 2 and base 7, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 213777407397 and 213777407406.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1370367919 + ... + 1370368074.

It is an arithmetic number, because the mean of its divisors is an integer number (28777727937).

Almost surely, 2^213777407454 is an apocalyptic number.

213777407454 is an abundant number, since it is smaller than the sum of its proper divisors (246666239538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213777407454 is a wasteful number, since it uses less digits than its factorization.

213777407454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740736011.

The product of its (nonzero) digits is 4609920, while the sum is 51.

The spelling of 213777407454 in words is "two hundred thirteen billion, seven hundred seventy-seven million, four hundred seven thousand, four hundred fifty-four".