1057948378 has 16 divisors (see below), whose sum is σ = 1608354720. Its totient is φ = 521848656.

The previous prime is 1057948373. The next prime is 1057948433. The reversal of 1057948378 is 8738497501.

It is a super-2 number, since 2×1057948378² = 2238509541025661768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057948373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121453 + ... + 129871.

It is an arithmetic number, because the mean of its divisors is an integer number (100522170).

Almost surely, 2^1057948378 is an apocalyptic number.

1057948378 is a deficient number, since it is larger than the sum of its proper divisors (550406342).

1057948378 is an equidigital number, since it uses as much as digits as its factorization.

1057948378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9261.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The square root of 1057948378 is about 32526.1183973741. The cubic root of 1057948378 is about 1018.9545799241.

The spelling of 1057948378 in words is "one billion, fifty-seven million, nine hundred forty-eight thousand, three hundred seventy-eight".