77863875001 has 8 divisors (see below), whose sum is σ = 86545096704. Its totient is φ = 69449767920.

The previous prime is 77863874989. The next prime is 77863875041. The reversal of 77863875001 is 10057836877.

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 77863875001 - 2⁹ = 77863874489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77863875001.

It is not an unprimeable number, because it can be changed into a prime (77863875041) 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, 66778041 + ... + 66779206.

It is an arithmetic number, because the mean of its divisors is an integer number (10818137088).

Almost surely, 2^77863875001 is an apocalyptic number.

It is an amenable number.

77863875001 is a deficient number, since it is larger than the sum of its proper divisors (8681221703).

77863875001 is a wasteful number, since it uses less digits than its factorization.

77863875001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133557311.

The product of its (nonzero) digits is 1975680, while the sum is 52.

The spelling of 77863875001 in words is "seventy-seven billion, eight hundred sixty-three million, eight hundred seventy-five thousand, one".