81014677070 has 16 divisors (see below), whose sum is σ = 146559218400. Its totient is φ = 32243026464.

The previous prime is 81014677069. The next prime is 81014677091. The reversal of 81014677070 is 7077641018.

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, 20353457 + ... + 20357436.

It is an arithmetic number, because the mean of its divisors is an integer number (9159951150).

Almost surely, 2^81014677070 is an apocalyptic number.

81014677070 is a deficient number, since it is larger than the sum of its proper divisors (65544541330).

81014677070 is a wasteful number, since it uses less digits than its factorization.

81014677070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40711099.

The product of its (nonzero) digits is 65856, while the sum is 41.

The spelling of 81014677070 in words is "eighty-one billion, fourteen million, six hundred seventy-seven thousand, seventy".