7142210977 has 12 divisors (see below), whose sum is σ = 7931475748. Its totient is φ = 6425971200.

The previous prime is 7142210923. The next prime is 7142210983. The reversal of 7142210977 is 7790122417.

It can be written as a sum of positive squares in 2 ways, for example, as 5888413696 + 1253797281 = 76736^2 + 35409^2 .

It is not a de Polignac number, because 7142210977 - 2¹⁵ = 7142178209 is a prime.

It is a super-2 number, since 2×7142210977² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7142210987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292524 + ... + 315997.

Almost surely, 2^7142210977 is an apocalyptic number.

It is an amenable number.

7142210977 is a deficient number, since it is larger than the sum of its proper divisors (789264771).

7142210977 is a wasteful number, since it uses less digits than its factorization.

7142210977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608640 (or 608629 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 40.

The square root of 7142210977 is about 84511.6026176288. The cubic root of 7142210977 is about 1925.7987107342.

The spelling of 7142210977 in words is "seven billion, one hundred forty-two million, two hundred ten thousand, nine hundred seventy-seven".