77903530151 has 4 divisors (see below), whose sum is σ = 77915005152. Its totient is φ = 77892055152.

The previous prime is 77903530139. The next prime is 77903530157. The reversal of 77903530151 is 15103530977.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 77903530151 - 2¹⁰ = 77903529127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77903530099 and 77903530108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77903530157) 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, 5727311 + ... + 5740896.

It is an arithmetic number, because the mean of its divisors is an integer number (19478751288).

Almost surely, 2^77903530151 is an apocalyptic number.

77903530151 is a deficient number, since it is larger than the sum of its proper divisors (11475001).

77903530151 is a wasteful number, since it uses less digits than its factorization.

77903530151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11475000.

The product of its (nonzero) digits is 99225, while the sum is 41.

The spelling of 77903530151 in words is "seventy-seven billion, nine hundred three million, five hundred thirty thousand, one hundred fifty-one".