76215226551 has 8 divisors (see below), whose sum is σ = 102243740160. Its totient is φ = 50498431992.

The previous prime is 76215226517. The next prime is 76215226561. The reversal of 76215226551 is 15562251267.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 76215226551 - 2⁶ = 76215226487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76215226561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77929191 + ... + 77930168.

It is an arithmetic number, because the mean of its divisors is an integer number (12780467520).

Almost surely, 2^76215226551 is an apocalyptic number.

76215226551 is a deficient number, since it is larger than the sum of its proper divisors (26028513609).

76215226551 is a wasteful number, since it uses less digits than its factorization.

76215226551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155859525.

The product of its digits is 252000, while the sum is 42.

The spelling of 76215226551 in words is "seventy-six billion, two hundred fifteen million, two hundred twenty-six thousand, five hundred fifty-one".