9478923802 has 4 divisors (see below), whose sum is σ = 14218385706. Its totient is φ = 4739461900.

The previous prime is 9478923749. The next prime is 9478923821. The reversal of 9478923802 is 2083298749.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7577876601 + 1901047201 = 87051^2 + 43601^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9478923802.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2369730949 + ... + 2369730952.

Almost surely, 2^9478923802 is an apocalyptic number.

9478923802 is a deficient number, since it is larger than the sum of its proper divisors (4739461904).

9478923802 is a wasteful number, since it uses less digits than its factorization.

9478923802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4739461903.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 9478923802 is about 97359.7648004554. The cubic root of 9478923802 is about 2116.3444033844.

The spelling of 9478923802 in words is "nine billion, four hundred seventy-eight million, nine hundred twenty-three thousand, eight hundred two".