79894303550 has 96 divisors (see below), whose sum is σ = 154274125824. Its totient is φ = 30761568000.

The previous prime is 79894303549. The next prime is 79894303603. The reversal of 79894303550 is 5530349897.

It is a junction number, because it is equal to n+sod(n) for n = 79894303492 and 79894303501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77491535 + ... + 77492565.

It is an arithmetic number, because the mean of its divisors is an integer number (1607022144).

Almost surely, 2^79894303550 is an apocalyptic number.

79894303550 is a deficient number, since it is larger than the sum of its proper divisors (74379822274).

79894303550 is a wasteful number, since it uses less digits than its factorization.

79894303550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554 (or 1549 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 53.

The spelling of 79894303550 in words is "seventy-nine billion, eight hundred ninety-four million, three hundred three thousand, five hundred fifty".