77908631001 has 8 divisors (see below), whose sum is σ = 103964672544. Its totient is φ = 51895838400.

The previous prime is 77908630937. The next prime is 77908631023. The reversal of 77908631001 is 10013680977.

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

It is not a de Polignac number, because 77908631001 - 2⁶ = 77908630937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77908631041) 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, 10808031 + ... + 10815236.

It is an arithmetic number, because the mean of its divisors is an integer number (12995584068).

Almost surely, 2^77908631001 is an apocalyptic number.

It is an amenable number.

77908631001 is a deficient number, since it is larger than the sum of its proper divisors (26056041543).

77908631001 is a wasteful number, since it uses less digits than its factorization.

77908631001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21624471.

The product of its (nonzero) digits is 63504, while the sum is 42.

The spelling of 77908631001 in words is "seventy-seven billion, nine hundred eight million, six hundred thirty-one thousand, one".