77457152255 has 8 divisors (see below), whose sum is σ = 106226951712. Its totient is φ = 53113475808.

The previous prime is 77457152053. The next prime is 77457152257. The reversal of 77457152255 is 55225175477.

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 77457152255 - 2⁸ = 77457151999 is a prime.

It is a super-2 number, since 2×77457152255² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77457152257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1106530712 + ... + 1106530781.

It is an arithmetic number, because the mean of its divisors is an integer number (13278368964).

Almost surely, 2^77457152255 is an apocalyptic number.

77457152255 is a deficient number, since it is larger than the sum of its proper divisors (28769799457).

77457152255 is a wasteful number, since it uses less digits than its factorization.

77457152255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213061505.

The product of its digits is 3430000, while the sum is 50.

The spelling of 77457152255 in words is "seventy-seven billion, four hundred fifty-seven million, one hundred fifty-two thousand, two hundred fifty-five".