8077801901 has 8 divisors (see below), whose sum is σ = 8699911584. Its totient is φ = 7455798000.

The previous prime is 8077801861. The next prime is 8077801909. The reversal of 8077801901 is 1091087708.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8077801901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8077801909) 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, 211526 + ... + 246776.

It is an arithmetic number, because the mean of its divisors is an integer number (1087488948).

Almost surely, 2^8077801901 is an apocalyptic number.

It is an amenable number.

8077801901 is a deficient number, since it is larger than the sum of its proper divisors (622109683).

8077801901 is a wasteful number, since it uses less digits than its factorization.

8077801901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52891.

The product of its (nonzero) digits is 28224, while the sum is 41.

The square root of 8077801901 is about 89876.5926201033. The cubic root of 8077801901 is about 2006.4625867438.

The spelling of 8077801901 in words is "eight billion, seventy-seven million, eight hundred one thousand, nine hundred one".