90430778627 has 8 divisors (see below), whose sum is σ = 105870180192. Its totient is φ = 75621556800.

The previous prime is 90430778623. The next prime is 90430778629. The reversal of 90430778627 is 72687703409.

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

It is a cyclic number.

It is not a de Polignac number, because 90430778627 - 2² = 90430778623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90430778623) 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, 157544624 + ... + 157545197.

It is an arithmetic number, because the mean of its divisors is an integer number (13233772524).

Almost surely, 2^90430778627 is an apocalyptic number.

90430778627 is a deficient number, since it is larger than the sum of its proper divisors (15439401565).

90430778627 is a wasteful number, since it uses less digits than its factorization.

90430778627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315089869.

The product of its (nonzero) digits is 3556224, while the sum is 53.

The spelling of 90430778627 in words is "ninety billion, four hundred thirty million, seven hundred seventy-eight thousand, six hundred twenty-seven".