47785893468 has 12 divisors (see below), whose sum is σ = 111500418120. Its totient is φ = 15928631152.

The previous prime is 47785893457. The next prime is 47785893473. The reversal of 47785893468 is 86439858774.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×47785893468² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1991078883 + ... + 1991078906.

It is an arithmetic number, because the mean of its divisors is an integer number (9291701510).

Almost surely, 2^47785893468 is an apocalyptic number.

It is an amenable number.

47785893468 is an abundant number, since it is smaller than the sum of its proper divisors (63714524652).

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

47785893468 is a wasteful number, since it uses less digits than its factorization.

47785893468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3982157796 (or 3982157794 counting only the distinct ones).

The product of its digits is 325140480, while the sum is 69.

The spelling of 47785893468 in words is "forty-seven billion, seven hundred eighty-five million, eight hundred ninety-three thousand, four hundred sixty-eight".