90946077737 has 4 divisors (see below), whose sum is σ = 93404079876. Its totient is φ = 88488075600.

The previous prime is 90946077707. The next prime is 90946077797. The reversal of 90946077737 is 73777064909.

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

It can be written as a sum of positive squares in 2 ways, for example, as 62812389376 + 28133688361 = 250624^2 + 167731^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90946077737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90946077707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1229001014 + ... + 1229001087.

It is an arithmetic number, because the mean of its divisors is an integer number (23351019969).

Almost surely, 2^90946077737 is an apocalyptic number.

It is an amenable number.

90946077737 is a deficient number, since it is larger than the sum of its proper divisors (2458002139).

90946077737 is a wasteful number, since it uses less digits than its factorization.

90946077737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458002138.

The product of its (nonzero) digits is 14002632, while the sum is 59.

The spelling of 90946077737 in words is "ninety billion, nine hundred forty-six million, seventy-seven thousand, seven hundred thirty-seven".