48777993 has 12 divisors (see below), whose sum is σ = 76862448. Its totient is φ = 29562360.

The previous prime is 48777941. The next prime is 48778001. The reversal of 48777993 is 39977784.

48777993 is a `hidden beast` number, since 487 + 7 + 79 + 93 = 666.

It is not a de Polignac number, because 48777993 - 2⁶ = 48777929 is a prime.

It is a super-2 number, since 2×48777993² = 4758585202216098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48777293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246255 + ... + 246452.

It is an arithmetic number, because the mean of its divisors is an integer number (6405204).

Almost surely, 2^48777993 is an apocalyptic number.

It is an amenable number.

48777993 is a deficient number, since it is larger than the sum of its proper divisors (28084455).

48777993 is a wasteful number, since it uses less digits than its factorization.

48777993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492724 (or 492721 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The square root of 48777993 is about 6984.1243545630. The cubic root of 48777993 is about 365.3770869914.

It can be divided in two parts, 48777 and 993, that added together give a triangular number (49770 = T₃₁₅).

The spelling of 48777993 in words is "forty-eight million, seven hundred seventy-seven thousand, nine hundred ninety-three".