95122279561 has 9 divisors (see below), whose sum is σ = 98299603143. Its totient is φ = 92044566360.

The previous prime is 95122279547. The next prime is 95122279579. The reversal of 95122279561 is 16597222159.

The square root of 95122279561 is 308419.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 37551075961 + 57571203600 = 193781^2 + 239940^2 .

It is not a de Polignac number, because 95122279561 - 2⁷ = 95122279433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (95122279541) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9556015 + ... + 9565963.

It is an arithmetic number, because the mean of its divisors is an integer number (10922178127).

Almost surely, 2^95122279561 is an apocalyptic number.

95122279561 is the 308419-th square number.

95122279561 is the 154210-th centered octagonal number.

It is an amenable number.

95122279561 is a deficient number, since it is larger than the sum of its proper divisors (3177323582).

95122279561 is an frugal number, since it uses more digits than its factorization.

95122279561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19960 (or 9980 counting only the distinct ones).

The product of its digits is 680400, while the sum is 49.

Multiplying 95122279561 by its sum of digits (49), we get a square (4660991698489 = 2158933²).

The spelling of 95122279561 in words is "ninety-five billion, one hundred twenty-two million, two hundred seventy-nine thousand, five hundred sixty-one".