3245372688778 has 16 divisors (see below), whose sum is σ = 5310816295680. Its totient is φ = 1475112059200.

The previous prime is 3245372688773. The next prime is 3245372688799. The reversal of 3245372688778 is 8778862735423.

It is a super-2 number, since 2×3245372688778² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3245372688773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2285818 + ... + 3422821.

It is an arithmetic number, because the mean of its divisors is an integer number (331926018480).

Almost surely, 2^{3245372688778} is an apocalyptic number.

3245372688778 is a deficient number, since it is larger than the sum of its proper divisors (2065443606902).

3245372688778 is a wasteful number, since it uses less digits than its factorization.

3245372688778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5734493.

The product of its digits is 758661120, while the sum is 70.

The spelling of 3245372688778 in words is "three trillion, two hundred forty-five billion, three hundred seventy-two million, six hundred eighty-eight thousand, seven hundred seventy-eight".