34778872375 has 16 divisors (see below), whose sum is σ = 46742806656. Its totient is φ = 25682858400.

The previous prime is 34778872343. The next prime is 34778872393. The reversal of 34778872375 is 57327887743.

It is not a de Polignac number, because 34778872375 - 2⁵ = 34778872343 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10699567 + ... + 10702816.

It is an arithmetic number, because the mean of its divisors is an integer number (2921425416).

Almost surely, 2^34778872375 is an apocalyptic number.

34778872375 is a deficient number, since it is larger than the sum of its proper divisors (11963934281).

34778872375 is a wasteful number, since it uses less digits than its factorization.

34778872375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21402411 (or 21402401 counting only the distinct ones).

The product of its digits is 55319040, while the sum is 61.

The spelling of 34778872375 in words is "thirty-four billion, seven hundred seventy-eight million, eight hundred seventy-two thousand, three hundred seventy-five".