202345099978 has 8 divisors (see below), whose sum is σ = 346877314272. Its totient is φ = 86719328556.

The previous prime is 202345099969. The next prime is 202345100011. The reversal of 202345099978 is 879990543202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7226610700 + ... + 7226610727.

It is an arithmetic number, because the mean of its divisors is an integer number (43359664284).

Almost surely, 2^202345099978 is an apocalyptic number.

202345099978 is a deficient number, since it is larger than the sum of its proper divisors (144532214294).

202345099978 is a wasteful number, since it uses less digits than its factorization.

202345099978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14453221436.

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 202345099978 in words is "two hundred two billion, three hundred forty-five million, ninety-nine thousand, nine hundred seventy-eight".