99778295 has 8 divisors (see below), whose sum is σ = 120097680. Its totient is φ = 79580160.

The previous prime is 99778271. The next prime is 99778309. The reversal of 99778295 is 59287799.

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

It is not a de Polignac number, because 99778295 - 2²² = 95583991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99778295.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28490 + ... + 31799.

It is an arithmetic number, because the mean of its divisors is an integer number (15012210).

Almost surely, 2^99778295 is an apocalyptic number.

99778295 is a deficient number, since it is larger than the sum of its proper divisors (20319385).

99778295 is a wasteful number, since it uses less digits than its factorization.

99778295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60625.

The product of its digits is 2857680, while the sum is 56.

The square root of 99778295 is about 9988.9085990412. The cubic root of 99778295 is about 463.8156083995.

The spelling of 99778295 in words is "ninety-nine million, seven hundred seventy-eight thousand, two hundred ninety-five".