34553142778 has 64 divisors (see below), whose sum is σ = 70365542400. Its totient is φ = 12313909440.

The previous prime is 34553142769. The next prime is 34553142791. The reversal of 34553142778 is 87724135543.

34553142778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×34553142778³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118750 + ... + 288457.

It is an arithmetic number, because the mean of its divisors is an integer number (1099461600).

Almost surely, 2^34553142778 is an apocalyptic number.

34553142778 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

34553142778 is an abundant number, since it is smaller than the sum of its proper divisors (35812399622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34553142778 is a wasteful number, since it uses less digits than its factorization.

34553142778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407275.

The product of its digits is 2822400, while the sum is 49.

The spelling of 34553142778 in words is "thirty-four billion, five hundred fifty-three million, one hundred forty-two thousand, seven hundred seventy-eight".