378586770 has 32 divisors (see below), whose sum is σ = 962057088. Its totient is φ = 95017728.

The previous prime is 378586763. The next prime is 378586771. The reversal of 378586770 is 77685873.

378586770 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (378586771) 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, 370654 + ... + 371673.

It is an arithmetic number, because the mean of its divisors is an integer number (30064284).

Almost surely, 2^378586770 is an apocalyptic number.

378586770 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

378586770 is an abundant number, since it is smaller than the sum of its proper divisors (583470318).

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

378586770 is a wasteful number, since it uses less digits than its factorization.

378586770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742354.

The product of its (nonzero) digits is 1975680, while the sum is 51.

The square root of 378586770 is about 19457.3063397789. The cubic root of 378586770 is about 723.4166125997.

The spelling of 378586770 in words is "three hundred seventy-eight million, five hundred eighty-six thousand, seven hundred seventy".