34378203279 has 16 divisors (see below), whose sum is σ = 52388584448. Its totient is φ = 19643656032.

The previous prime is 34378203271. The next prime is 34378203313. The reversal of 34378203279 is 97230287343.

It is not a de Polignac number, because 34378203279 - 2³ = 34378203271 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 (34378203271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569274 + ... + 626760.

It is an arithmetic number, because the mean of its divisors is an integer number (3274286528).

Almost surely, 2^34378203279 is an apocalyptic number.

34378203279 is a deficient number, since it is larger than the sum of its proper divisors (18010381169).

34378203279 is a wasteful number, since it uses less digits than its factorization.

34378203279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85974.

The product of its (nonzero) digits is 1524096, while the sum is 48.

The spelling of 34378203279 in words is "thirty-four billion, three hundred seventy-eight million, two hundred three thousand, two hundred seventy-nine".