99514750078 has 4 divisors (see below), whose sum is σ = 149272125120. Its totient is φ = 49757375038.

The previous prime is 99514750073. The next prime is 99514750087. The reversal of 99514750078 is 87005741599.

It is a happy number.

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 (99514750073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24878687518 + ... + 24878687521.

It is an arithmetic number, because the mean of its divisors is an integer number (37318031280).

Almost surely, 2^99514750078 is an apocalyptic number.

99514750078 is a deficient number, since it is larger than the sum of its proper divisors (49757375042).

99514750078 is a wasteful number, since it uses less digits than its factorization.

99514750078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49757375041.

The product of its (nonzero) digits is 3175200, while the sum is 55.

The spelling of 99514750078 in words is "ninety-nine billion, five hundred fourteen million, seven hundred fifty thousand, seventy-eight".