3948777423 has 12 divisors (see below), whose sum is σ = 5704345920. Its totient is φ = 2632261536.

The previous prime is 3948777397. The next prime is 3948777433. The reversal of 3948777423 is 3247778493.

It is not a de Polignac number, because 3948777423 - 2¹² = 3948773327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3948777423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3948777433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140418 + ... + 166176.

It is an arithmetic number, because the mean of its divisors is an integer number (475362160).

Almost surely, 2^3948777423 is an apocalyptic number.

3948777423 is a deficient number, since it is larger than the sum of its proper divisors (1755568497).

3948777423 is a wasteful number, since it uses less digits than its factorization.

3948777423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42798 (or 42795 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 54.

The square root of 3948777423 is about 62839.2983967835. The cubic root of 3948777423 is about 1580.5960234647.

The spelling of 3948777423 in words is "three billion, nine hundred forty-eight million, seven hundred seventy-seven thousand, four hundred twenty-three".