7955671658 has 16 divisors (see below), whose sum is σ = 13117753440. Its totient is φ = 3588608400.

The previous prime is 7955671657. The next prime is 7955671663. The reversal of 7955671658 is 8561765597.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7955671597 and 7955671606.

It is not an unprimeable number, because it can be changed into a prime (7955671657) 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, 1377353 + ... + 1383116.

It is an arithmetic number, because the mean of its divisors is an integer number (819859590).

Almost surely, 2^7955671658 is an apocalyptic number.

7955671658 is a deficient number, since it is larger than the sum of its proper divisors (5162081782).

7955671658 is a wasteful number, since it uses less digits than its factorization.

7955671658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760613.

The product of its digits is 15876000, while the sum is 59.

The square root of 7955671658 is about 89194.5719088331. The cubic root of 7955671658 is about 1996.2991274954.

The spelling of 7955671658 in words is "seven billion, nine hundred fifty-five million, six hundred seventy-one thousand, six hundred fifty-eight".