78625099 has 8 divisors (see below), whose sum is σ = 90310400. Its totient is φ = 67053096.

The previous prime is 78625087. The next prime is 78625123. The reversal of 78625099 is 99052687.

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

It is a cyclic number.

It is not a de Polignac number, because 78625099 - 2¹³ = 78616907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78625039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26829 + ... + 29614.

It is an arithmetic number, because the mean of its divisors is an integer number (11288800).

Almost surely, 2^78625099 is an apocalyptic number.

78625099 is a deficient number, since it is larger than the sum of its proper divisors (11685301).

78625099 is a wasteful number, since it uses less digits than its factorization.

78625099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56649.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 78625099 is about 8867.0795079327. The cubic root of 78625099 is about 428.4042149633.

The spelling of 78625099 in words is "seventy-eight million, six hundred twenty-five thousand, ninety-nine".