77703670370406 has 8 divisors (see below), whose sum is σ = 155407340740824. Its totient is φ = 25901223456800.

The previous prime is 77703670370377. The next prime is 77703670370407. The reversal of 77703670370406 is 60407307630777.

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

77703670370406 is an admirable number.

It is a super-2 number, since 2×77703670370406² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77703670370407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6475305864195 + ... + 6475305864206.

It is an arithmetic number, because the mean of its divisors is an integer number (19425917592603).

Almost surely, 2^{77703670370406} is an apocalyptic number.

77703670370406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77703670370406 is a wasteful number, since it uses less digits than its factorization.

77703670370406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12950611728406.

The product of its (nonzero) digits is 21781872, while the sum is 57.

The spelling of 77703670370406 in words is "seventy-seven trillion, seven hundred three billion, six hundred seventy million, three hundred seventy thousand, four hundred six".