74899099847 has 16 divisors (see below), whose sum is σ = 88010743968. Its totient is φ = 62839966080.

The previous prime is 74899099831. The next prime is 74899099861.

74899099847 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 74899099847 - 2⁴ = 74899099831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74899099897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 713513 + ... + 811725.

It is an arithmetic number, because the mean of its divisors is an integer number (5500671498).

Almost surely, 2^74899099847 is an apocalyptic number.

74899099847 is a deficient number, since it is larger than the sum of its proper divisors (13111644121).

74899099847 is a wasteful number, since it uses less digits than its factorization.

74899099847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103570.

The product of its (nonzero) digits is 329204736, while the sum is 74.

The spelling of 74899099847 in words is "seventy-four billion, eight hundred ninety-nine million, ninety-nine thousand, eight hundred forty-seven".