1300307852778 has 64 divisors (see below), whose sum is σ = 2863760486400. Its totient is φ = 390322618560.

The previous prime is 1300307852741. The next prime is 1300307852807. The reversal of 1300307852778 is 8772587030031.

It is a super-2 number, since 2×1300307852778² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1300307852778.

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, 32950383 + ... + 32989821.

It is an arithmetic number, because the mean of its divisors is an integer number (44746257600).

Almost surely, 2^{1300307852778} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1300307852778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1431880243200).

1300307852778 is an abundant number, since it is smaller than the sum of its proper divisors (1563452633622).

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

1300307852778 is a wasteful number, since it uses less digits than its factorization.

1300307852778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44147.

The product of its (nonzero) digits is 1975680, while the sum is 51.

The spelling of 1300307852778 in words is "one trillion, three hundred billion, three hundred seven million, eight hundred fifty-two thousand, seven hundred seventy-eight".