3948778102 has 8 divisors (see below), whose sum is σ = 5923863936. Its totient is φ = 1974156792.

The previous prime is 3948778081. The next prime is 3948778153. The reversal of 3948778102 is 2018778493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94038 + ... + 129385.

It is an arithmetic number, because the mean of its divisors is an integer number (740482992).

Almost surely, 2^3948778102 is an apocalyptic number.

3948778102 is a deficient number, since it is larger than the sum of its proper divisors (1975085834).

3948778102 is a wasteful number, since it uses less digits than its factorization.

3948778102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232262.

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 3948778102 is about 62839.3037994534. The cubic root of 3948778102 is about 1580.5961140602.

The spelling of 3948778102 in words is "three billion, nine hundred forty-eight million, seven hundred seventy-eight thousand, one hundred two".