77000073427 has 8 divisors (see below), whose sum is σ = 77687707680. Its totient is φ = 76312548480.

The previous prime is 77000073419. The next prime is 77000073431. The reversal of 77000073427 is 72437000077.

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 77000073427 - 2³ = 77000073419 is a prime.

It is a super-2 number, since 2×77000073427² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77000076427) 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, 2172474 + ... + 2207632.

It is an arithmetic number, because the mean of its divisors is an integer number (9710963460).

Almost surely, 2^77000073427 is an apocalyptic number.

77000073427 is a deficient number, since it is larger than the sum of its proper divisors (687634253).

77000073427 is a wasteful number, since it uses less digits than its factorization.

77000073427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54653.

The product of its (nonzero) digits is 57624, while the sum is 37.

The spelling of 77000073427 in words is "seventy-seven billion, seventy-three thousand, four hundred twenty-seven".