77677740670 has 16 divisors (see below), whose sum is σ = 144330254208. Its totient is φ = 30068802720.

The previous prime is 77677740659. The next prime is 77677740677. The reversal of 77677740670 is 7604777677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77677740677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125286369 + ... + 125286988.

It is an arithmetic number, because the mean of its divisors is an integer number (9020640888).

Almost surely, 2^77677740670 is an apocalyptic number.

77677740670 is a deficient number, since it is larger than the sum of its proper divisors (66652513538).

77677740670 is a wasteful number, since it uses less digits than its factorization.

77677740670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250573395.

The product of its (nonzero) digits is 16941456, while the sum is 58.

The spelling of 77677740670 in words is "seventy-seven billion, six hundred seventy-seven million, seven hundred forty thousand, six hundred seventy".