77667670070 has 16 divisors (see below), whose sum is σ = 139827199968. Its totient is φ = 31061424960.

The previous prime is 77667670057. The next prime is 77667670111. The reversal of 77667670070 is 7007676677.

It is a junction number, because it is equal to n+sod(n) for n = 77667669994 and 77667670021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647351 + ... + 757890.

It is an arithmetic number, because the mean of its divisors is an integer number (8739199998).

Almost surely, 2^77667670070 is an apocalyptic number.

77667670070 is a deficient number, since it is larger than the sum of its proper divisors (62159529898).

77667670070 is a wasteful number, since it uses less digits than its factorization.

77667670070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410775.

The product of its (nonzero) digits is 3630312, while the sum is 53.

The spelling of 77667670070 in words is "seventy-seven billion, six hundred sixty-seven million, six hundred seventy thousand, seventy".