102277557706 has 4 divisors (see below), whose sum is σ = 153416336562. Its totient is φ = 51138778852.

The previous prime is 102277557619. The next prime is 102277557719. The reversal of 102277557706 is 607755772201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 607755772201 = 73 ⋅8325421537.

It can be written as a sum of positive squares in only one way, i.e., 56784507025 + 45493050681 = 238295^2 + 213291^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102277557706.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25569389425 + ... + 25569389428.

Almost surely, 2^102277557706 is an apocalyptic number.

102277557706 is a deficient number, since it is larger than the sum of its proper divisors (51138778856).

102277557706 is an equidigital number, since it uses as much as digits as its factorization.

102277557706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51138778855.

The product of its (nonzero) digits is 1440600, while the sum is 49.

The spelling of 102277557706 in words is "one hundred two billion, two hundred seventy-seven million, five hundred fifty-seven thousand, seven hundred six".