3455778000 has 80 divisors (see below), whose sum is σ = 11141447616. Its totient is φ = 921539200.

The previous prime is 3455777993. The next prime is 3455778013. The reversal of 3455778000 is 8775543.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 3455778000.

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, 281982 + ... + 293981.

Almost surely, 2^3455778000 is an apocalyptic number.

3455778000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3455778000 is an abundant number, since it is smaller than the sum of its proper divisors (7685669616).

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

3455778000 is a wasteful number, since it uses less digits than its factorization.

3455778000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575989 (or 575973 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 3455778000 is about 58785.8656481301. The cubic root of 3455778000 is about 1511.8728862092.

The spelling of 3455778000 in words is "three billion, four hundred fifty-five million, seven hundred seventy-eight thousand".