77706767010704 has 80 divisors (see below), whose sum is σ = 167619214933632. Its totient is φ = 34669459206144.

The previous prime is 77706767010689. The next prime is 77706767010709. The reversal of 77706767010704 is 40701076760777.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (77706767010709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43916684 + ... + 45651819.

Almost surely, 2^{77706767010704} is an apocalyptic number.

It is an amenable number.

77706767010704 is an abundant number, since it is smaller than the sum of its proper divisors (89912447922928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77706767010704 is a wasteful number, since it uses less digits than its factorization.

77706767010704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89568664 (or 89568658 counting only the distinct ones).

The product of its (nonzero) digits is 16941456, while the sum is 59.

The spelling of 77706767010704 in words is "seventy-seven trillion, seven hundred six billion, seven hundred sixty-seven million, ten thousand, seven hundred four".