1378870647100 has 36 divisors (see below), whose sum is σ = 3122242757424. Its totient is φ = 527567898880.

The previous prime is 1378870647079. The next prime is 1378870647101. The reversal of 1378870647100 is 17460788731.

It is a happy number.

It is a super-3 number, since 3×1378870647100³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378870647101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 299752189 + ... + 299756788.

It is an arithmetic number, because the mean of its divisors is an integer number (86728965484).

Almost surely, 2^{1378870647100} is an apocalyptic number.

1378870647100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1378870647100 is an abundant number, since it is smaller than the sum of its proper divisors (1743372110324).

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

1378870647100 is a wasteful number, since it uses less digits than its factorization.

1378870647100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599509014 (or 599509007 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 52.

The spelling of 1378870647100 in words is "one trillion, three hundred seventy-eight billion, eight hundred seventy million, six hundred forty-seven thousand, one hundred".