48780958781 has 4 divisors (see below), whose sum is σ = 48867604032. Its totient is φ = 48694313532.

The previous prime is 48780958753. The next prime is 48780958799. The reversal of 48780958781 is 18785908784.

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 48780958781 - 2¹⁸ = 48780696637 is a prime.

It is a super-2 number, since 2×48780958781² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48780958741) 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, 43321781 + ... + 43322906.

It is an arithmetic number, because the mean of its divisors is an integer number (12216901008).

Almost surely, 2^48780958781 is an apocalyptic number.

It is an amenable number.

48780958781 is a deficient number, since it is larger than the sum of its proper divisors (86645251).

48780958781 is an equidigital number, since it uses as much as digits as its factorization.

48780958781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86645250.

The product of its (nonzero) digits is 36126720, while the sum is 65.

The spelling of 48780958781 in words is "forty-eight billion, seven hundred eighty million, nine hundred fifty-eight thousand, seven hundred eighty-one".