90919542307 has 8 divisors (see below), whose sum is σ = 105019364592. Its totient is φ = 77792121600.

The previous prime is 90919542257. The next prime is 90919542313. The reversal of 90919542307 is 70324591909.

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 90919542307 - 2²³ = 90911153699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90919542397) 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, 243100194 + ... + 243100567.

It is an arithmetic number, because the mean of its divisors is an integer number (13127420574).

Almost surely, 2^90919542307 is an apocalyptic number.

90919542307 is a deficient number, since it is larger than the sum of its proper divisors (14099822285).

90919542307 is a wasteful number, since it uses less digits than its factorization.

90919542307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486200789.

The product of its (nonzero) digits is 612360, while the sum is 49.

The spelling of 90919542307 in words is "ninety billion, nine hundred nineteen million, five hundred forty-two thousand, three hundred seven".