73891608077 has 8 divisors (see below), whose sum is σ = 89415055296. Its totient is φ = 59610036672.

The previous prime is 73891608061. The next prime is 73891608079. The reversal of 73891608077 is 77080619837.

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

It is a cyclic number.

It is not a de Polignac number, because 73891608077 - 2⁴ = 73891608061 is a prime.

It is a super-3 number, since 3×73891608077³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73891608079) 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, 310468823 + ... + 310469060.

It is an arithmetic number, because the mean of its divisors is an integer number (11176881912).

Almost surely, 2^73891608077 is an apocalyptic number.

It is an amenable number.

73891608077 is a deficient number, since it is larger than the sum of its proper divisors (15523447219).

73891608077 is a wasteful number, since it uses less digits than its factorization.

73891608077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620937907.

The product of its (nonzero) digits is 3556224, while the sum is 56.

The spelling of 73891608077 in words is "seventy-three billion, eight hundred ninety-one million, six hundred eight thousand, seventy-seven".