77108057870 has 16 divisors (see below), whose sum is σ = 146958887088. Its totient is φ = 29028915840.

The previous prime is 77108057849. The next prime is 77108057879. The reversal of 77108057870 is 7875080177.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77108057879) 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, 226788236 + ... + 226788575.

It is an arithmetic number, because the mean of its divisors is an integer number (9184930443).

Almost surely, 2^77108057870 is an apocalyptic number.

77108057870 is a deficient number, since it is larger than the sum of its proper divisors (69850829218).

77108057870 is a wasteful number, since it uses less digits than its factorization.

77108057870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453576835.

The product of its (nonzero) digits is 768320, while the sum is 50.

The spelling of 77108057870 in words is "seventy-seven billion, one hundred eight million, fifty-seven thousand, eight hundred seventy".