1878380348 has 24 divisors (see below), whose sum is σ = 3554859840. Its totient is φ = 863311680.

The previous prime is 1878380347. The next prime is 1878380363. The reversal of 1878380348 is 8430838781.

It is a super-2 number, since 2×1878380348² = 7056625463505202208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1878380296 and 1878380305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1878380341) 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, 63143 + ... + 87998.

It is an arithmetic number, because the mean of its divisors is an integer number (148119160).

Almost surely, 2^1878380348 is an apocalyptic number.

It is an amenable number.

1878380348 is a deficient number, since it is larger than the sum of its proper divisors (1676479492).

1878380348 is a wasteful number, since it uses less digits than its factorization.

1878380348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151397 (or 151395 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 50.

The square root of 1878380348 is about 43340.2855089811. The cubic root of 1878380348 is about 1233.8466282893.

The spelling of 1878380348 in words is "one billion, eight hundred seventy-eight million, three hundred eighty thousand, three hundred forty-eight".