4157897970 has 16 divisors (see below), whose sum is σ = 9978955200. Its totient is φ = 1108772784.

The previous prime is 4157897969. The next prime is 4157897983. The reversal of 4157897970 is 797987514.

It is a self number, because there is not a number n which added to its sum of digits gives 4157897970.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69298270 + ... + 69298329.

It is an arithmetic number, because the mean of its divisors is an integer number (623684700).

Almost surely, 2^4157897970 is an apocalyptic number.

4157897970 is an abundant number, since it is smaller than the sum of its proper divisors (5821057230).

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

4157897970 is a wasteful number, since it uses less digits than its factorization.

4157897970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138596609.

The product of its (nonzero) digits is 4445280, while the sum is 57.

The square root of 4157897970 is about 64481.7646315608. The cubic root of 4157897970 is about 1608.0193704196.

The spelling of 4157897970 in words is "four billion, one hundred fifty-seven million, eight hundred ninety-seven thousand, nine hundred seventy".