77224633401 has 8 divisors (see below), whose sum is σ = 105360740320. Its totient is φ = 50285807712.

The previous prime is 77224633399. The next prime is 77224633441. The reversal of 77224633401 is 10433642277.

It is a happy number.

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

It is not a de Polignac number, because 77224633401 - 2¹ = 77224633399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77224633401.

It is not an unprimeable number, because it can be changed into a prime (77224633441) 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, 299320156 + ... + 299320413.

It is an arithmetic number, because the mean of its divisors is an integer number (13170092540).

Almost surely, 2^77224633401 is an apocalyptic number.

It is an amenable number.

77224633401 is a deficient number, since it is larger than the sum of its proper divisors (28136106919).

77224633401 is a wasteful number, since it uses less digits than its factorization.

77224633401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598640615.

The product of its (nonzero) digits is 169344, while the sum is 39.

The spelling of 77224633401 in words is "seventy-seven billion, two hundred twenty-four million, six hundred thirty-three thousand, four hundred one".