47953278 has 12 divisors (see below), whose sum is σ = 103898808. Its totient is φ = 15984420.

The previous prime is 47953273. The next prime is 47953291. The reversal of 47953278 is 87235974.

47953278 is a `hidden beast` number, since 47 + 9 + 532 + 78 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47953271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1332018 + ... + 1332053.

It is an arithmetic number, because the mean of its divisors is an integer number (8658234).

Almost surely, 2^47953278 is an apocalyptic number.

47953278 is an abundant number, since it is smaller than the sum of its proper divisors (55945530).

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

47953278 is a wasteful number, since it uses less digits than its factorization.

47953278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664079 (or 2664076 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 47953278 is about 6924.8305394428. The cubic root of 47953278 is about 363.3061643031.

The spelling of 47953278 in words is "forty-seven million, nine hundred fifty-three thousand, two hundred seventy-eight".