90977541 has 8 divisors (see below), whose sum is σ = 121538304. Its totient is φ = 60534240.

The previous prime is 90977539. The next prime is 90977563. The reversal of 90977541 is 14577909.

It is a happy number.

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

It is not a de Polignac number, because 90977541 - 2¹ = 90977539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90977493 and 90977502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90977041) 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, 27541 + ... + 30666.

It is an arithmetic number, because the mean of its divisors is an integer number (15192288).

Almost surely, 2^90977541 is an apocalyptic number.

It is an amenable number.

90977541 is a deficient number, since it is larger than the sum of its proper divisors (30560763).

90977541 is a wasteful number, since it uses less digits than its factorization.

90977541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58731.

The product of its (nonzero) digits is 79380, while the sum is 42.

The square root of 90977541 is about 9538.2147700710. The cubic root of 90977541 is about 449.7571380885.

The spelling of 90977541 in words is "ninety million, nine hundred seventy-seven thousand, five hundred forty-one".