378941537 has 16 divisors (see below), whose sum is σ = 428440320. Its totient is φ = 332536512.

The previous prime is 378941533. The next prime is 378941587. The reversal of 378941537 is 735149873.

It is a cyclic number.

It is not a de Polignac number, because 378941537 - 2² = 378941533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 378941491 and 378941500.

It is not an unprimeable number, because it can be changed into a prime (378941533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46139 + ... + 53727.

It is an arithmetic number, because the mean of its divisors is an integer number (26777520).

Almost surely, 2^378941537 is an apocalyptic number.

It is an amenable number.

378941537 is a deficient number, since it is larger than the sum of its proper divisors (49498783).

378941537 is a wasteful number, since it uses less digits than its factorization.

378941537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7792.

The product of its digits is 635040, while the sum is 47.

The square root of 378941537 is about 19466.4207547253. The cubic root of 378941537 is about 723.6425090457.

The spelling of 378941537 in words is "three hundred seventy-eight million, nine hundred forty-one thousand, five hundred thirty-seven".