772048551 has 8 divisors (see below), whose sum is σ = 1039392640. Its totient is φ = 509701752.

The previous prime is 772048547. The next prime is 772048553. The reversal of 772048551 is 155840277.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 772048551 - 2² = 772048547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772048553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248961 + ... + 1249578.

It is an arithmetic number, because the mean of its divisors is an integer number (129924080).

Almost surely, 2^772048551 is an apocalyptic number.

772048551 is a deficient number, since it is larger than the sum of its proper divisors (267344089).

772048551 is a wasteful number, since it uses less digits than its factorization.

772048551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498645.

The product of its (nonzero) digits is 78400, while the sum is 39.

The square root of 772048551 is about 27785.7616595263. The cubic root of 772048551 is about 917.3777531420.

The spelling of 772048551 in words is "seven hundred seventy-two million, forty-eight thousand, five hundred fifty-one".