48163978 has 8 divisors (see below), whose sum is σ = 75387168. Its totient is φ = 23034924.

The previous prime is 48163961. The next prime is 48163981. The reversal of 48163978 is 87936184.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 1047043 = 48163978 / (4 + 8 + 1 + 6 + 3 + 9 + 7 + 8).

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, 523476 + ... + 523567.

It is an arithmetic number, because the mean of its divisors is an integer number (9423396).

Almost surely, 2^48163978 is an apocalyptic number.

48163978 is a deficient number, since it is larger than the sum of its proper divisors (27223190).

48163978 is a wasteful number, since it uses less digits than its factorization.

48163978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047068.

The product of its digits is 290304, while the sum is 46.

The square root of 48163978 is about 6940.0272333760. The cubic root of 48163978 is about 363.8374923670.

It can be divided in two parts, 48163 and 978, that added together give a triangular number (49141 = T₃₁₃).

The spelling of 48163978 in words is "forty-eight million, one hundred sixty-three thousand, nine hundred seventy-eight".