47378566942 has 48 divisors (see below), whose sum is σ = 86336455680. Its totient is φ = 19097983872.

The previous prime is 47378566919. The next prime is 47378566943. The reversal of 47378566942 is 24966587374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47378566943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8246923 + ... + 8252665.

It is an arithmetic number, because the mean of its divisors is an integer number (1798676160).

Almost surely, 2^47378566942 is an apocalyptic number.

47378566942 is a deficient number, since it is larger than the sum of its proper divisors (38957888738).

47378566942 is a wasteful number, since it uses less digits than its factorization.

47378566942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7825 (or 7808 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 61.

The spelling of 47378566942 in words is "forty-seven billion, three hundred seventy-eight million, five hundred sixty-six thousand, nine hundred forty-two".