2378478087 has 10 divisors (see below), whose sum is σ = 3553035288. Its totient is φ = 1585652004.

The previous prime is 2378478077. The next prime is 2378478107. The reversal of 2378478087 is 7808748732.

It is a happy number.

2378478087 is a `hidden beast` number, since 23 + 78 + 478 + 0 + 87 = 666.

It is not a de Polignac number, because 2378478087 - 2¹⁰ = 2378477063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2378478017) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 14681883 + ... + 14682044.

Almost surely, 2^2378478087 is an apocalyptic number.

2378478087 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2378478087 is a deficient number, since it is larger than the sum of its proper divisors (1174557201).

2378478087 is an equidigital number, since it uses as much as digits as its factorization.

2378478087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29363939 (or 29363930 counting only the distinct ones).

The product of its (nonzero) digits is 4214784, while the sum is 54.

The square root of 2378478087 is about 48769.6430887084. The cubic root of 2378478087 is about 1334.8518002386.

The spelling of 2378478087 in words is "two billion, three hundred seventy-eight million, four hundred seventy-eight thousand, eighty-seven".