48678867637 has 4 divisors (see below), whose sum is σ = 48687607980. Its totient is φ = 48670127296.

The previous prime is 48678867631. The next prime is 48678867649. The reversal of 48678867637 is 73676887684.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21071715921 + 27607151716 = 145161^2 + 166154^2 .

It is a cyclic number.

It is not a de Polignac number, because 48678867637 - 2³¹ = 46531383989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48678867631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4361812 + ... + 4372957.

It is an arithmetic number, because the mean of its divisors is an integer number (12171901995).

Almost surely, 2^48678867637 is an apocalyptic number.

It is an amenable number.

48678867637 is a deficient number, since it is larger than the sum of its proper divisors (8740343).

48678867637 is an equidigital number, since it uses as much as digits as its factorization.

48678867637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8740342.

The product of its digits is 455196672, while the sum is 70.

The spelling of 48678867637 in words is "forty-eight billion, six hundred seventy-eight million, eight hundred sixty-seven thousand, six hundred thirty-seven".