378703815080 has 32 divisors (see below), whose sum is σ = 852201975240. Its totient is φ = 151460478720.

The previous prime is 378703815071. The next prime is 378703815089. The reversal of 378703815080 is 80518307873.

It is an interprime number because it is at equal distance from previous prime (378703815071) and next prime (378703815089).

It can be written as a sum of positive squares in 4 ways, for example, as 273376305316 + 105327509764 = 522854^2 + 324542^2 .

It is a super-2 number, since 2×378703815080² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (378703815089) 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, 364631 + ... + 943590.

Almost surely, 2^378703815080 is an apocalyptic number.

It is an amenable number.

378703815080 is an abundant number, since it is smaller than the sum of its proper divisors (473498160160).

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

378703815080 is a wasteful number, since it uses less digits than its factorization.

378703815080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315469 (or 1315465 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 50.

The spelling of 378703815080 in words is "three hundred seventy-eight billion, seven hundred three million, eight hundred fifteen thousand, eighty".