77241015 has 48 divisors (see below), whose sum is σ = 143552448. Its totient is φ = 38320128.

The previous prime is 77241001. The next prime is 77241041. The reversal of 77241015 is 51014277.

It is not a de Polignac number, because 77241015 - 2⁶ = 77240951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77241015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37287 + ... + 39303.

It is an arithmetic number, because the mean of its divisors is an integer number (2990676).

Almost surely, 2^77241015 is an apocalyptic number.

77241015 is a deficient number, since it is larger than the sum of its proper divisors (66311433).

77241015 is a wasteful number, since it uses less digits than its factorization.

77241015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088 (or 2085 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 77241015 is about 8788.6867619685. The cubic root of 77241015 is about 425.8755008796.

The spelling of 77241015 in words is "seventy-seven million, two hundred forty-one thousand, fifteen".