48778031 has 2 divisors, whose sum is σ = 48778032. Its totient is φ = 48778030.

The previous prime is 48778027. The next prime is 48778123. The reversal of 48778031 is 13087784.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48778031 - 2² = 48778027 is a prime.

It is a super-2 number, since 2×48778031² = 4758592616473922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48778001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24389015 + 24389016.

It is an arithmetic number, because the mean of its divisors is an integer number (24389016).

Almost surely, 2^48778031 is an apocalyptic number.

48778031 is a deficient number, since it is larger than the sum of its proper divisors (1).

48778031 is an equidigital number, since it uses as much as digits as its factorization.

48778031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 48778031 is about 6984.1270750180. The cubic root of 48778031 is about 365.3771818725.

The spelling of 48778031 in words is "forty-eight million, seven hundred seventy-eight thousand, thirty-one".