77315151 has 8 divisors (see below), whose sum is σ = 103270320. Its totient is φ = 51451712.

The previous prime is 77315143. The next prime is 77315153. The reversal of 77315151 is 15151377.

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 77315151 - 2³ = 77315143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77315153) 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, 20940 + ... + 24353.

It is an arithmetic number, because the mean of its divisors is an integer number (12908790).

Almost surely, 2^77315151 is an apocalyptic number.

77315151 is a deficient number, since it is larger than the sum of its proper divisors (25955169).

77315151 is a wasteful number, since it uses less digits than its factorization.

77315151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45865.

The product of its digits is 3675, while the sum is 30.

The square root of 77315151 is about 8792.9034453928. The cubic root of 77315151 is about 426.0117092155.

The spelling of 77315151 in words is "seventy-seven million, three hundred fifteen thousand, one hundred fifty-one".