77336730425247 has 8 divisors (see below), whose sum is σ = 103440926500656. Its totient is φ = 51395177316672.

The previous prime is 77336730425173. The next prime is 77336730425287. The reversal of 77336730425247 is 74252403763377.

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

It is not a de Polignac number, because 77336730425247 - 2¹⁵ = 77336730392479 is a prime.

It is a super-2 number, since 2×77336730425247² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77336730425287) 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, 40660740598 + ... + 40660742499.

It is an arithmetic number, because the mean of its divisors is an integer number (12930115812582).

Almost surely, 2^{77336730425247} is an apocalyptic number.

77336730425247 is a deficient number, since it is larger than the sum of its proper divisors (26104196075409).

77336730425247 is a wasteful number, since it uses less digits than its factorization.

77336730425247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81321483417.

The product of its (nonzero) digits is 124467840, while the sum is 60.

The spelling of 77336730425247 in words is "seventy-seven trillion, three hundred thirty-six billion, seven hundred thirty million, four hundred twenty-five thousand, two hundred forty-seven".