1378755675 has 180 divisors, whose sum is σ = 2981324808. Its totient is φ = 627264000.

The previous prime is 1378755673. The next prime is 1378755689. The reversal of 1378755675 is 5765578731.

1378755675 is a `hidden beast` number, since 1 + 3 + 7 + 8 + 75 + 567 + 5 = 666.

It is not a de Polignac number, because 1378755675 - 2¹ = 1378755673 is a prime.

It is a super-2 number, since 2×1378755675² = 3801934422689411250, which contains 22 as substring.

Its product of digits (6174000) is a multiple of the sum of its prime factors (392).

It is not an unprimeable number, because it can be changed into a prime (1378755673) by changing a digit.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 4165260 + ... + 4165590.

Almost surely, 2^1378755675 is an apocalyptic number.

1378755675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1378755675 is an abundant number, since it is smaller than the sum of its proper divisors (1602569133).

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

1378755675 is a wasteful number, since it uses less digits than its factorization.

1378755675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 367 counting only the distinct ones).

The product of its digits is 6174000, while the sum is 54.

The square root of 1378755675 is about 37131.5994134376. The cubic root of 1378755675 is about 1113.0015547671.

The spelling of 1378755675 in words is "one billion, three hundred seventy-eight million, seven hundred fifty-five thousand, six hundred seventy-five".