47765390878648 has 16 divisors (see below), whose sum is σ = 90429623509680. Its totient is φ = 23650824609408.

The previous prime is 47765390878619. The next prime is 47765390878669. The reversal of 47765390878648 is 84687809356774.

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, 28983852865 + ... + 28983854512.

It is an arithmetic number, because the mean of its divisors is an integer number (5651851469355).

Almost surely, 2^{47765390878648} is an apocalyptic number.

It is an amenable number.

47765390878648 is a deficient number, since it is larger than the sum of its proper divisors (42664232631032).

47765390878648 is a wasteful number, since it uses less digits than its factorization.

47765390878648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57967707486 (or 57967707482 counting only the distinct ones).

The product of its (nonzero) digits is 13655900160, while the sum is 82.

The spelling of 47765390878648 in words is "forty-seven trillion, seven hundred sixty-five billion, three hundred ninety million, eight hundred seventy-eight thousand, six hundred forty-eight".