68460070077 has 64 divisors (see below), whose sum is σ = 122645248000. Its totient is φ = 36868690944.

The previous prime is 68460069989. The next prime is 68460070103. The reversal of 68460070077 is 77007006486.

It is not a de Polignac number, because 68460070077 - 2¹⁰ = 68460069053 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 (68460070277) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 643674 + ... + 742452.

It is an arithmetic number, because the mean of its divisors is an integer number (1916332000).

Almost surely, 2^68460070077 is an apocalyptic number.

It is an amenable number.

68460070077 is a deficient number, since it is larger than the sum of its proper divisors (54185177923).

68460070077 is a wasteful number, since it uses less digits than its factorization.

68460070077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99007 (or 99001 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The spelling of 68460070077 in words is "sixty-eight billion, four hundred sixty million, seventy thousand, seventy-seven".