7135797478 has 16 divisors (see below), whose sum is σ = 11076922080. Its totient is φ = 3443582016.

The previous prime is 7135797433. The next prime is 7135797479. The reversal of 7135797478 is 8747975317.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7135797479) 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, 144175 + ... + 187237.

It is an arithmetic number, because the mean of its divisors is an integer number (692307630).

Almost surely, 2^7135797478 is an apocalyptic number.

7135797478 is a deficient number, since it is larger than the sum of its proper divisors (3941124602).

7135797478 is a wasteful number, since it uses less digits than its factorization.

7135797478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45951.

The product of its digits is 10372320, while the sum is 58.

The square root of 7135797478 is about 84473.6496074368. The cubic root of 7135797478 is about 1925.2221009155. Note that the first 3 decimals are identical.

The spelling of 7135797478 in words is "seven billion, one hundred thirty-five million, seven hundred ninety-seven thousand, four hundred seventy-eight".