48696781 has 4 divisors (see below), whose sum is σ = 55653472. Its totient is φ = 41740092.

The previous prime is 48696779. The next prime is 48696793. The reversal of 48696781 is 18769684.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48696781 - 2¹ = 48696779 is a prime.

It is a super-2 number, since 2×48696781² = 4742752959523922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48696751) 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, 3478335 + ... + 3478348.

It is an arithmetic number, because the mean of its divisors is an integer number (13913368).

Almost surely, 2^48696781 is an apocalyptic number.

It is an amenable number.

48696781 is a deficient number, since it is larger than the sum of its proper divisors (6956691).

48696781 is an equidigital number, since it uses as much as digits as its factorization.

48696781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6956690.

The product of its digits is 580608, while the sum is 49.

The square root of 48696781 is about 6978.3078894529. The cubic root of 48696781 is about 365.1741984533.

The spelling of 48696781 in words is "forty-eight million, six hundred ninety-six thousand, seven hundred eighty-one".