48938978 has 16 divisors (see below), whose sum is σ = 80196480. Its totient is φ = 22213200.

The previous prime is 48938947. The next prime is 48938993. The reversal of 48938978 is 87983984.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21788 + ... + 23928.

It is an arithmetic number, because the mean of its divisors is an integer number (5012280).

Almost surely, 2^48938978 is an apocalyptic number.

48938978 is a deficient number, since it is larger than the sum of its proper divisors (31257502).

48938978 is a wasteful number, since it uses less digits than its factorization.

48938978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3193.

The product of its digits is 3483648, while the sum is 56.

The square root of 48938978 is about 6995.6399278408. The cubic root of 48938978 is about 365.7786043956.

The spelling of 48938978 in words is "forty-eight million, nine hundred thirty-eight thousand, nine hundred seventy-eight".