772661415147 has 16 divisors (see below), whose sum is σ = 1039895476992. Its totient is φ = 510267964320.

The previous prime is 772661415077. The next prime is 772661415161. The reversal of 772661415147 is 741514166277.

It is not a de Polignac number, because 772661415147 - 2¹² = 772661411051 is a prime.

It is a super-3 number, since 3×772661415147³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 772661415147.

It is not an unprimeable number, because it can be changed into a prime (772661415167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8061138 + ... + 8156424.

It is an arithmetic number, because the mean of its divisors is an integer number (64993467312).

Almost surely, 2^772661415147 is an apocalyptic number.

772661415147 is a deficient number, since it is larger than the sum of its proper divisors (267234061845).

772661415147 is a wasteful number, since it uses less digits than its factorization.

772661415147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120658.

The product of its digits is 1975680, while the sum is 51.

The spelling of 772661415147 in words is "seven hundred seventy-two billion, six hundred sixty-one million, four hundred fifteen thousand, one hundred forty-seven".