7097139775 has 24 divisors (see below), whose sum is σ = 9619920000. Its totient is φ = 5151112800.

The previous prime is 7097139773. The next prime is 7097139799. The reversal of 7097139775 is 5779317907.

It is not a de Polignac number, because 7097139775 - 2¹ = 7097139773 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7097139773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111366 + ... + 163084.

It is an arithmetic number, because the mean of its divisors is an integer number (400830000).

Almost surely, 2^7097139775 is an apocalyptic number.

7097139775 is a deficient number, since it is larger than the sum of its proper divisors (2522780225).

7097139775 is a wasteful number, since it uses less digits than its factorization.

7097139775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52239 (or 52234 counting only the distinct ones).

The product of its (nonzero) digits is 2917215, while the sum is 55.

The square root of 7097139775 is about 84244.5237092596. The cubic root of 7097139775 is about 1921.7392168022.

The spelling of 7097139775 in words is "seven billion, ninety-seven million, one hundred thirty-nine thousand, seven hundred seventy-five".