8142213770 has 16 divisors (see below), whose sum is σ = 14754349800. Its totient is φ = 3235026624.

The previous prime is 8142213749. The next prime is 8142213791. The reversal of 8142213770 is 773122418.

It is an interprime number because it is at equal distance from previous prime (8142213749) and next prime (8142213791).

It can be written as a sum of positive squares in 4 ways, for example, as 6218426449 + 1923787321 = 78857^2 + 43861^2 .

It is a super-2 number, since 2×8142213770² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8142213770.

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, 2730797 + ... + 2733776.

Almost surely, 2^8142213770 is an apocalyptic number.

8142213770 is a deficient number, since it is larger than the sum of its proper divisors (6612136030).

8142213770 is a wasteful number, since it uses less digits than its factorization.

8142213770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5464729.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 8142213770 is about 90234.2161821113. The cubic root of 8142213770 is about 2011.7816080755.

The spelling of 8142213770 in words is "eight billion, one hundred forty-two million, two hundred thirteen thousand, seven hundred seventy".