74787006847 has 16 divisors (see below), whose sum is σ = 86392592640. Its totient is φ = 63414029952.

The previous prime is 74787006809. The next prime is 74787006869. The reversal of 74787006847 is 74860078747.

It is a happy number.

It is not a de Polignac number, because 74787006847 - 2³¹ = 72639523199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74787006791 and 74787006800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74787006247) 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, 323304 + ... + 504082.

It is an arithmetic number, because the mean of its divisors is an integer number (5399537040).

Almost surely, 2^74787006847 is an apocalyptic number.

74787006847 is a deficient number, since it is larger than the sum of its proper divisors (11605585793).

74787006847 is a wasteful number, since it uses less digits than its factorization.

74787006847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181422.

The product of its (nonzero) digits is 14751744, while the sum is 58.

The spelling of 74787006847 in words is "seventy-four billion, seven hundred eighty-seven million, six thousand, eight hundred forty-seven".