789999902 has 4 divisors (see below), whose sum is σ = 1184999856. Its totient is φ = 394999950.

The previous prime is 789999871. The next prime is 789999907. The reversal of 789999902 is 209999987.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (789999907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197499974 + ... + 197499977.

It is an arithmetic number, because the mean of its divisors is an integer number (296249964).

Almost surely, 2^789999902 is an apocalyptic number.

789999902 is a deficient number, since it is larger than the sum of its proper divisors (394999954).

789999902 is a wasteful number, since it uses less digits than its factorization.

789999902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394999953.

The product of its (nonzero) digits is 6613488, while the sum is 62.

The square root of 789999902 is about 28106.9369017686. The cubic root of 789999902 is about 924.4335083121.

The spelling of 789999902 in words is "seven hundred eighty-nine million, nine hundred ninety-nine thousand, nine hundred two".