975408378 has 32 divisors (see below), whose sum is σ = 2262787584. Its totient is φ = 274527792.

The previous prime is 975408373. The next prime is 975408389. The reversal of 975408378 is 873804579.

It is a self number, because there is not a number n which added to its sum of digits gives 975408378.

It is not an unprimeable number, because it can be changed into a prime (975408373) 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, 170500 + ... + 176127.

It is an arithmetic number, because the mean of its divisors is an integer number (70712112).

Almost surely, 2^975408378 is an apocalyptic number.

975408378 is an abundant number, since it is smaller than the sum of its proper divisors (1287379206).

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

975408378 is a wasteful number, since it uses less digits than its factorization.

975408378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346706.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The square root of 975408378 is about 31231.5285889116. The cubic root of 975408378 is about 991.7346651236.

The spelling of 975408378 in words is "nine hundred seventy-five million, four hundred eight thousand, three hundred seventy-eight".