3455189296978 has 32 divisors (see below), whose sum is σ = 5776844149440. Its totient is φ = 1540296207360.

The previous prime is 3455189296903. The next prime is 3455189296991. The reversal of 3455189296978 is 8796929815543.

It is a happy 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, 10536925 + ... + 10859887.

It is an arithmetic number, because the mean of its divisors is an integer number (180526379670).

Almost surely, 2^{3455189296978} is an apocalyptic number.

3455189296978 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3455189296978 is a deficient number, since it is larger than the sum of its proper divisors (2321654852462).

3455189296978 is a wasteful number, since it uses less digits than its factorization.

3455189296978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339562.

The product of its digits is 1175731200, while the sum is 76.

The spelling of 3455189296978 in words is "three trillion, four hundred fifty-five billion, one hundred eighty-nine million, two hundred ninety-six thousand, nine hundred seventy-eight".