63478462772 has 12 divisors (see below), whose sum is σ = 115917193056. Its totient is φ = 30359264760.

The previous prime is 63478462771. The next prime is 63478462793. The reversal of 63478462772 is 27726487436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63478462771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344991554 + ... + 344991737.

It is an arithmetic number, because the mean of its divisors is an integer number (9659766088).

Almost surely, 2^63478462772 is an apocalyptic number.

It is an amenable number.

63478462772 is a deficient number, since it is larger than the sum of its proper divisors (52438730284).

63478462772 is a wasteful number, since it uses less digits than its factorization.

63478462772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689983318 (or 689983316 counting only the distinct ones).

The product of its digits is 18966528, while the sum is 56.

The spelling of 63478462772 in words is "sixty-three billion, four hundred seventy-eight million, four hundred sixty-two thousand, seven hundred seventy-two".