77500100001 has 16 divisors (see below), whose sum is σ = 105762317760. Its totient is φ = 50452893120.

The previous prime is 77500099979. The next prime is 77500100077. The reversal of 77500100001 is 10000100577.

It is not a de Polignac number, because 77500100001 - 2²¹ = 77498002849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77500100081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474511 + ... + 616571.

It is an arithmetic number, because the mean of its divisors is an integer number (6610144860).

Almost surely, 2^77500100001 is an apocalyptic number.

It is an amenable number.

77500100001 is a deficient number, since it is larger than the sum of its proper divisors (28262217759).

77500100001 is a wasteful number, since it uses less digits than its factorization.

77500100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146336.

The product of its (nonzero) digits is 245, while the sum is 21.

Adding to 77500100001 its reverse (10000100577), we get a palindrome (87500200578).

The spelling of 77500100001 in words is "seventy-seven billion, five hundred million, one hundred thousand, one".