77240241115 has 16 divisors (see below), whose sum is σ = 98155210752. Its totient is φ = 58148665344.

The previous prime is 77240241107. The next prime is 77240241137. The reversal of 77240241115 is 51114204277.

It is a cyclic number.

It is not a de Polignac number, because 77240241115 - 2³ = 77240241107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535462 + ... + 664228.

It is an arithmetic number, because the mean of its divisors is an integer number (6134700672).

Almost surely, 2^77240241115 is an apocalyptic number.

77240241115 is a deficient number, since it is larger than the sum of its proper divisors (20914969637).

77240241115 is a wasteful number, since it uses less digits than its factorization.

77240241115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135846.

The product of its (nonzero) digits is 15680, while the sum is 34.

The spelling of 77240241115 in words is "seventy-seven billion, two hundred forty million, two hundred forty-one thousand, one hundred fifteen".