7849670902 has 4 divisors (see below), whose sum is σ = 11774506356. Its totient is φ = 3924835450.

The previous prime is 7849670893. The next prime is 7849670909. The reversal of 7849670902 is 2090769487.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2090769487 = 31 ⋅67444177.

It is a self number, because there is not a number n which added to its sum of digits gives 7849670902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7849670909) 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 as a sum of consecutive naturals, namely, 1962417724 + ... + 1962417727.

It is an arithmetic number, because the mean of its divisors is an integer number (2943626589).

Almost surely, 2^7849670902 is an apocalyptic number.

7849670902 is a deficient number, since it is larger than the sum of its proper divisors (3924835454).

7849670902 is a wasteful number, since it uses less digits than its factorization.

7849670902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3924835453.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 7849670902 is about 88598.3685064234. The cubic root of 7849670902 is about 1987.3932774043.

The spelling of 7849670902 in words is "seven billion, eight hundred forty-nine million, six hundred seventy thousand, nine hundred two".