34457778172 has 6 divisors (see below), whose sum is σ = 60301111808. Its totient is φ = 17228889084.

The previous prime is 34457778169. The next prime is 34457778191. The reversal of 34457778172 is 27187775443.

It is a happy number.

It is a super-3 number, since 3×34457778172³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4307222268 + ... + 4307222275.

Almost surely, 2^34457778172 is an apocalyptic number.

It is an amenable number.

34457778172 is a deficient number, since it is larger than the sum of its proper divisors (25843333636).

34457778172 is a wasteful number, since it uses less digits than its factorization.

34457778172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8614444547 (or 8614444545 counting only the distinct ones).

The product of its digits is 9219840, while the sum is 55.

The spelling of 34457778172 in words is "thirty-four billion, four hundred fifty-seven million, seven hundred seventy-eight thousand, one hundred seventy-two".