87908622150122 has 4 divisors (see below), whose sum is σ = 131862933225186. Its totient is φ = 43954311075060.

The previous prime is 87908622150113. The next prime is 87908622150127. The reversal of 87908622150122 is 22105122680978.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 57278695656361 + 30629926493761 = 7568269^2 + 5534431^2 .

It is a super-2 number, since 2×87908622150122² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87908622150127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21977155537529 + ... + 21977155537532.

Almost surely, 2^{87908622150122} is an apocalyptic number.

87908622150122 is a deficient number, since it is larger than the sum of its proper divisors (43954311075064).

87908622150122 is a wasteful number, since it uses less digits than its factorization.

87908622150122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43954311075063.

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 87908622150122 in words is "eighty-seven trillion, nine hundred eight billion, six hundred twenty-two million, one hundred fifty thousand, one hundred twenty-two".