68265240477 has 24 divisors (see below), whose sum is σ = 112109066496. Its totient is φ = 36714077568.

The previous prime is 68265240469. The next prime is 68265240481. The reversal of 68265240477 is 77404256286.

It is not a de Polignac number, because 68265240477 - 2³ = 68265240469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68265240377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13656013 + ... + 13661010.

It is an arithmetic number, because the mean of its divisors is an integer number (4671211104).

Almost surely, 2^68265240477 is an apocalyptic number.

It is an amenable number.

68265240477 is a deficient number, since it is larger than the sum of its proper divisors (43843826019).

68265240477 is a wasteful number, since it uses less digits than its factorization.

68265240477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27317057 (or 27317050 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 51.

The spelling of 68265240477 in words is "sixty-eight billion, two hundred sixty-five million, two hundred forty thousand, four hundred seventy-seven".