76121700154 has 4 divisors (see below), whose sum is σ = 114182550234. Its totient is φ = 38060850076.

The previous prime is 76121700097. The next prime is 76121700191. The reversal of 76121700154 is 45100712167.

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., 74368017025 + 1753683129 = 272705^2 + 41877^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19030425037 + ... + 19030425040.

Almost surely, 2^76121700154 is an apocalyptic number.

76121700154 is a deficient number, since it is larger than the sum of its proper divisors (38060850080).

76121700154 is a wasteful number, since it uses less digits than its factorization.

76121700154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38060850079.

The product of its (nonzero) digits is 11760, while the sum is 34.

The spelling of 76121700154 in words is "seventy-six billion, one hundred twenty-one million, seven hundred thousand, one hundred fifty-four".