7624399097991 has 8 divisors (see below), whose sum is σ = 10947855115120. Its totient is φ = 4691937906432.

The previous prime is 7624399097977. The next prime is 7624399097993. The reversal of 7624399097991 is 1997909934267.

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

It is not a de Polignac number, because 7624399097991 - 2⁶ = 7624399097927 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 (7624399097993) 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, 97748706346 + ... + 97748706423.

It is an arithmetic number, because the mean of its divisors is an integer number (1368481889390).

Almost surely, 2^{7624399097991} is an apocalyptic number.

7624399097991 is a deficient number, since it is larger than the sum of its proper divisors (3323456017129).

7624399097991 is a wasteful number, since it uses less digits than its factorization.

7624399097991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195497412785.

The product of its (nonzero) digits is 416649744, while the sum is 75.

The spelling of 7624399097991 in words is "seven trillion, six hundred twenty-four billion, three hundred ninety-nine million, ninety-seven thousand, nine hundred ninety-one".